2005 honda crf 100 valve adjustment

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TVS – 811 Series Trap Valve Station Installation, Operation and Maintenance Instructions

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Filed Under (TVS) by admin on 29-04-2012

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In a piston valve, the control of stem and seat leakage is obtained by tightness of the valve sealing rings to the body and valve plug. The bonnet compresses the valve sealing rings against the body and the valve plug. Flexible disc springs automatically assure a tight seal by exerting pressure on the valve sealing rings, keeping them compressed. Opening and Closing the TVS Isolation Valves The isolation valve begins to stop flow when the valve plug enters the lower valve sealing ring. When the isolation valve is completely closed, the valve plug is in contact with the full height of the valve sealing rings, ensuring the best possible seal. In fact, there is no advantage to be gained in torqueing the valve closed. Armstrong recommends that after closing the isolation valves completely, the handwheel should be turned back one half turn. This makes it easy to re-open the valve by avoiding metal to metal seizure. Troubleshooting – Isolation Valves A piston valve will retain its leak tightness for several years without maintenance. In severe service, such as rapid heating and cooling, some field maintenance may be required. Depending on the problem, these simple steps may help: ! ! ! ! ! Isolation Valve leaks, when the valve is closed . First, Check to make sure the valve is actually closed . Check to see if bonnet is seated on the body, if not, tighten the bonnet nuts until the bonnet seats. This recompresses the valve sealing rings against the body and the valve plug. If valve continues to leak, replace the isolation valve assembly

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2005 Honda CRF450X OWNER'S MANUAL AND COMPETITION HANDBOOK

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Filed Under (Honda) by admin on 04-12-2010

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Starting & Stopping the Engine Always follow the proper starting procedure described below. Your CRF can be started with the transmission in gear by pulling in the clutch lever before operating the kickstarter or start button. Preparation Make sure that the transmission is in neutral. Turn the fuel valve ON. Fuel Valve Starting Procedure Always follow the proper starting procedure described as follow. 5. Warm up the engine; don’t operate the throttle. 6. About 15 seconds after the engine starts, push the choke knob back all the way to fully OFF. If idling is unstable, open the throttle slightly. Extended use of the choke may impair piston and cylinder wall lubrication and damage the engine. HighAirTemperature 35°C (95°F) or above 1. Turn the fuel valve (1) ON. 2. Do not use the choke. 3. Keep the throttle fully closed. 4. Start the engine following step 4 under “Normal Air Temperature.” LowAirTemperature 10°C (50°) or below 1. If the temperature is below 32°F (0°C), open the throttle two or three times. (The engine requires a richer mixture for starting in cold weather. When the throttle is so opened, the accelerator pump will feed extra fuel to the cylinder, thereby facilitating starting in cold weather.) 2. Follow steps 1-5 under “Normal Air Temperature.” 3. Continue warming up the engine until it runs smoothly and responds to the throttle when the choke knob is pushed back all the way to fully OFF. Extended use of the choke may impair piston and cylinder wall lubrication and damage the engine. (cont’d) NOTICE NOTICE Basic Operating Instructions 15 (1) fuel valve The three-way fuel valve is used to control the flow of fuel from the fuel tank to the carburetor. ON -Turning the fuel valve ON before attempting to start the engine allows fuel to flow from the fuel tank to the carburetor. OFF -Turning the fuel valve OFF prevents the flow of fuel from the fuel tank to the carburetor. RES -Turning the fuel valve to RES allows fuel to flow from the reserve fuel supply to the carburetor. (1) fuel valve (2) choke knob Check the engine oil, transmission oil and coolant levels before starting the engine (pages 44,47,48). To restart a warm engine, follow the procedure for”High Air Temperature.” NormalAirTemperature 10°C-35°C (50°F-95°F) 1. Turn the fuel valve (1) ON. 2. Pull the choke knob (2) fully ON, if the engine is cold. 3. Keep the throttle fully closed. 4. Pull the clutch lever all the way in, and depress the start button. Or operate the kickstarter to start the engine. Starting from the top of the stroke, kick through to the bottom with a rapid, continuous motion. Do not operate the throttle. Allowing the kickstarter to snap back freely against the pedal stop can damage the engine

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2005 Honda CRF450R OWNER'S MANUAL AND COMPETITION HANDBOOK

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Filed Under (Honda) by admin on 02-12-2010

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Normal Engine Stop 1. Shift the transmission into neutral. 2. Turn the fuel valve OFF. 3. Lightly open the throttle (1) 2 – 3 times, and then close it. 4. Depress and hold the engine stop button (2) until the engine stops completely. Failure to close the fuel valve may cause the carburetor to overflow, result in hard starting. Emergency Engine Stop To stop the engine in an emergency, press the engine stop button. Basic Operating Instructions 15 Help assure your CRF’s future reliability and performance by paying extra attention to how you ride during the first operating day or 15 miles (25 km). During this period, avoid full-throttle starts and rapid acceleration. This same procedure should be followed each time when: •piston is replaced •piston rings are replaced •cylinder is replaced •crankshaft or crank bearings are replaced Break-in Guidelines 16 Basic Operating Instructions Servicing Your Honda 17 Servicing Your Honda Keeping your CRF well maintained is absolutely essential to your safety. It’s also a good way to protect your investment, get maximum performance, avoid breakdowns, and have more fun. To help keep your CRF in good shape, this section includes a Maintenance Schedule for required servicing and step-by-step instructions for specific maintenance tasks. You’ll also find important safety precautions, information on oils, and tips for keeping your Honda looking good. An ICM (Ignition Control Module) system is used on this motorcycle; consequently, routine ignition timing adjustment is unnecessary. If you want to check the ignition timing, refer to the Honda Service Manual (page 156).

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CYLINDER HEAD REPAIR MANUAL

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Filed Under (Tips and Review) by admin on 28-10-2010

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ADJUSTABLE CYLINDER HEAD STAND Head can be rotated 360 degrees. Stays in any position using a simple locking mechanism. Use on twin or four cylinder heads. Shipping weight: 14 lbs. Adjustable length-10-1/2″ to 20-1/2″ long x 14″ width x 10-3/4″ high. 35-8602 Cylinder Head Stand VALVE GUIDE DRIVERS Use for removal and installation of valve guides into cylinder head. Available in the following sizes: 35-8418 4.5mm YM-4116 35-8416 6mm YM-4064-A 35-8417 5mm YM-4097 35-8414 7mm YM-1225-A 35-8408 5.5mm YM-1122 35-8413 8mm YM-1200 VALVE GUIDE DRIVER SET (REMOVE & REPLACE) Designed for speed and accuracy, this eleven piece set provides the right tool for the job. Driver set includes two valve guide drivers (5.5mm and 6.6mm), four valve guide installers, one cutter, three cutter pilots (5.5mm, 6.6mm, and 7.7mm) and one tap handle extension bar. 35-9445 Valve Guide Driver Set YAMAHA VALVE GUIDE INSTALLERS These installers are used for installation of Yamaha shoulder less valve guides to a specific depth into the cylinder head. To use, position onto the valve guide and drive into the cylinder head until installer makes contact with cylinder head surface. Note: Must use with Valve Guide Driver. Available in the following sizes: 35-8439 4.5mm YM-4117 35-8437 5.0mm YM-4098 35-8419 5.5mm YM-4015 35-8435 6mm YM-4065-A 35-8423 7mm YM-4017 VALVE GUIDE REAMERS Reaming valve guides after installation assures a proper valve stem to valve guide fit. Available in the following sizes: 35-3829 4.5mm YM-4118 35-3851 7mm YM-1227 35-3836 5.5mm YM-1196 35-3852 8mm YM-1211 35-3847 6mm YM-4066 CLOVER VALVE LAPPING COMPOUND KIT The world famous green can with the four leaf clover. For seating valves, mating gears, and sharpening. Sold as a kit with coarse 120 grit (roughing) and 280 fine grit (finishing). 35-0309 Clover Valve Lapping Compound VALVE LAPPING TOOL The ultimate vacuum stick for insuring perfect surfaces on valves and valve seats. Interchangeable cups make unit suitable for use with virtually any size valve. Set includes vacuum stick, 3/4″ and 1/4″ diameter rubber cups. 35-8998 Valve Lapping Too

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HONDA 2005 CRF 50 F AKRAPOVIC RACING EXHAUST SYSTEM INSTALLATION

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Filed Under (Honda) by admin on 03-12-2011

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put the motorcycle on a side standn 2. unscrew and remove the bolts from the rear and front part of the motorcycle cowling (Figure 1, 2, 3, 4) m3. remove complete cowling together with the seat (Figure 5) 4. unscrew the bolt from the metal bracket for the muffler (Figure 6) 5. unscrew and remove the bolts on the flange of the header tube (Figure 7) 6. remove the stock exhaust system (Figure 8) 7. remove the stock heat shield (Figure 9) INSTALLATION OF THE AKRAPOVIC RACING EXHAUST SYSTEM installing the header tube: 1. attach the stock heat shield onto the Akrapovic header tube (Figure 10, 11) 2. set up the Akrapovic header tube and hand tighten the flange; use stock gasket; (Figure 12, 13) 3. make sure the header tube is not touching the engine or frame installing the muffler:
1. correctly position the muffler and slide it onto the header tube (Figure 14) 2. attach the spring at the muffler – header tube joint igure 15) 3. attach the muffler to the chassis hanging bracket – use the bolt, washer and spacers supplied in the Akrapovic kit. Do not
fully tighten. Make sure the additional parts from the Akrapovic kit are correctly installed. (Figure 16, 17) 4. make sure the header tube is not touching the engine or frame final installation: 1. tighten fully the bolts of the muffler metal bracket and header tube flange (Figure 18, 19) 2. reattach the complete cowling (Figure 20, 21, 22, 23, 24) 3. clean grease spots: a. muffler – titanium outer sleeve: use a soft cloth sprayed with a multi-purpose spray lubricant (WD-40 or equivalent) b. stainless steel header tube: use a soft cloth sprayed with a contact cleaner, then wipe with a soft dry cloth Cleaning will prevent spots from burning onto the surface. Do not use aggressive chemical cleaners, because they can damage the sticker. 4. position of the correctly installed Akrapovic RACING system (Figure 25)
5. Check the operation of the brakes and suspension. Make sure all the bolts are sufficiently tightened. In case the exhaust system touches the cowling or other parts repeat the adjustment of the exhaust system or contact your authorized dealer

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Lilac LS-18 Motorcycle Maintenance Standards

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Filed Under (Lilac) by admin on 25-11-2010

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CYLINDER AND CYLINDER HEAD MAINTENANCE ITEM STANDARD REPAIR LIMIT METHOD REMARKS Cylinder Bore 54 -0.01 54.1 Boring After boring honing should be performed Ovality 0.01 0.05 Boring After boring honing should be performed Taper 0.01 0.05 Boring After boring honing should be performed Oversize 0.25 steps 55 max. Do R and L cylinders at same time / 4 steps Valve Seat Width 0.8 – 1.0 1.3 Adjust Use a cutter Angle 45∞ Combustion Chamber Volume 18.2cc -0.5cc Remove carbon if heavy accumulation Compression Ratio 7.8:1 Head Gasket Thickness 1.0 Cylinder Head Nut Torque 3.0 kg/m (22 ft.-lb.) Out standard Adjust 8mm nut Intake and Exhaust Ports Port Wall SurfaceMust be smooth Remove carbon Intake and Exh. Valve GuidesOD 12 +0.09 +0.1 ID 7 +0.01 -0.0 7.06 Exchange Intake Valve Stem Diameter 7 -0.02 -0.03 6.9 Exchange Head Thickness 1 0.7 Exchange Exhaust Valve Stem Diameter 7 -0.02 -0.03 6.9 Exchange Head Thickness 1 0.7 Exchange Intake and Exhaust Valve Seat Face Width Range 0.8~1.0 1.3 Use valve seat cutter Intake Valve Guide Clearance 0.02~0.04 0.08 Replace valve or guide Exhaust Valve Guide Clearance 0.06~0.08 0.12 Replace valve or guide Valve Spring (Large) Installed Load 10.2 kg 8.7 kg Replace Fitted length 31.5 Free Length 36.5 34.7 Replace Tilt 1.5/100 3/100 Replace Valve Spring (Small) Installed Load 5.48 kg 4.65 kg Replace Fitted length 29.5 Page 4 of 10 Free Length 33.5 31.8 Replace Tilt 1.5/100 3/100 Replace Rocker Arm ID 12 +0.00 +0.02112.07 Replace Rocker Shaft OD 12 -0.06 -0.024 11.92 Replace Arm and Shaft Clearance 0.045~0.006 0.10 Replace arm or shaft Tappet Clearance 0.05 Out standard Adjust Measure cold at TDC Rocker Arm Ball Surface 1.8îR -0.006 -0.024 Replace if severe wear Pushrod Bend 0.1 0.5 Straighten Over 100mm (2) CRANKSHAFT, PISTON AND CONROD MAINTENANCE ITEM STANDARD REPAIR LIMIT METHOD REMARKS Piston OD @ Top 53.65 -0.02 Max Diameter 53.95 -0.015 53.85 Replace Ovality 0.1 Piston and Cylinder Clearance 0.04~0.05 0.15 Replace Piston Ring Groove Clearance 0.03~0.07 0.10 Replace Piston Oversize Step 0.25 4 steps Top Ring and 2nd Ring Thickness 2 -0.01 -0.03 1.92 Replace Width 2.5 -0.01 0.55kg Tension 0.85 – 1.15kg 1 Replace End Gap 0.15 – 0.35 Replace Oil Ring Thickness 3.2 -0.01 -0.03 3.12 Replace Width 2.5 -0.1 Tension 1.0~1.3kg 0.65kg Replace End Gap 0.15~0.35 1 Replace Ring Gap Position 120∞ 3 equal spacesOut standard Adjust Avoid Piston Pin Axis Ring Oversizes 0.25 steps 4 steps Piston Pin OD 15 -0.0 +0.006 14.95 Replace Pin Hole in Piston ID 15 +0.012 -0.015.05 Replace Pin and Piston Clearance -0.006 ~ +0.012 0.06 Replace Hand push fit piston at 100∞C Conrod Small End Bush ID 15+0.027+0.016 15.07 Replace bush Conrod and Piston Pin Clearance 0.01~0.027 0.07 Replace Crankpin OD 24.94 +0.0+0.0124.90 Replace Crankpin Roller OD 5 (+0.001+0.003) Refer to conrod ID Replace 3Sizes; 52 per assembly for selective fit 5 (+0.0 -0.002) 5 (-0.003 -0.005) Conrod ID 34.95+0.03+0.02435.02 Axial Play 0.2~0.4 0.5 Adjust Radial Play 0.026~0.036 0.06 Replace

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Harley-Davidson Evolution Engines, Hydraulic Lifter Limited Travel Kit Installation Manual

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Filed Under (Harley Davidson) by admin on 23-10-2010

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Remove tappet assemblies from engine being sure that each one is kept with it’soriginal tappet block. NOTE: This procedure is the preferred method of installation. However, kit can be installed without removing lifters from engine. 2. Remove hydraulic piston retaining wire clip from one assembly at a time. Be careful not to bend wire clip during disassembly. 3. Completely disassemble tappet removing all parts. 4. Thoroughly clean all parts including tappet body. Remove any oil which might prevent hydraulic unit from fully collapsing during adjustment. 5. Insert one spacer from S&S HL 2 Tkit in tappet body. 6. Reassemble tappet in reverse order making sure original parts arereturned to their original positions. See Picture1. 7. Replace wire retaining clip in tappet body. 8. Put tappet back in original tappet block. 9. Repeat Steps 2 through 8 for three remaining tappets. 10. Reassemble engine with modified tappets. 11. Adjust pushrods. NOTE – In all cases engine must be cold and lifter must be at lowest point of travel for pushrod adjustment To prevent accidents, remove ground cable from battery. A. Remove spark plugs. B. Bring piston to TDC on compression stroke in cylinder to be adjusted. Normally both tappets will be at their lowest point of travel. C. Extend pushrod adjustment, collapsing lifter until piston assembly is in contact with HL 2 Tspacer and pushrod is tight. If tappets contain oil, as when pushrods are readjusted after engine has been run, or if all oil was not removed during installation, extend pushrod adjustment until valve is open (about five additional turns of adjusting screw). Allow 5 minutes for hydraulic unit to bleed down. If pushrod can be turned with fingers after bleeding down, lifter is not completely collapsed, and this step must be repeated. NOTE – perform this operation on one cylinder at a time. Do not turn engine until pushrod adjustment is complete. Turning engine while valve is held off the seat could result in valve to valve or valve to piston contact and serious valve train damage. D. Loosen pushrod adjustment until pushrod can be rotated with the fingers with slight drag. NOTE – Shortening adjuster an additional six flats or full turn from zero lash often results in quieter pushrod operation. This provides additional travel for the hydraulic piston assembly, which can improve the ability of the hydraulic unit to maintain zerolash under normal operating conditions. E. Tighten lock nut. F. Follow the same procedure for all four push rods. G. Recheck pushrod adjustment after a few hundred miles. NOTES ● It is a good idea to recheck pushrod adjustment in a new engine as valve train may tighten up due to gasket compression and valve seat wear. ● Upon initial start up after modification, HL 2 Tequipped lifters may be somewhat noisy for 10-20 miles. If lifters are still noisy after 20 miles it is recommended that pushrods be adjusted 1⁄2 turnlooser. See step D

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1998 YAMAHA YZF-R6 SERVICE MANUAL

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Filed Under (Yamaha) by admin on 25-11-2010

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Camshafts Drive system Camshaft cap inside diameter Camshaft journal diameter Camshaft-journal-to-camshaftcap clearance Intake camshaft lobe dimensions Measurement A Measurement B Measurement C Exhaust camshaft lobe dimensions Measurement A Measurement B Measurement C Max. camshaft runout Chain drive (right) 23.000 23.021 mm 22.967 22.980 mm 0.020 0.054 mm 33.05 33.15 mm 25.14 25.24 mm 7.81 8.01 mm 32.55 32.65 mm 25.07 25.17 mm 7.38 7.58 mm 0.08 mm 33.0 mm 25.09 mm 32.50 mm 25.02 mm 0.06 mm
2-5 ENGINE SPECIFICATIONS SPEC Head Diameter Face Width Seat Width Margin Thickness Item Standard Limit Timing chain Model/number of links Tensioning system RH2015/120 Automatic Valves, valve seats, valve guides Valve clearance (cold) Intake Exhaust Valve dimensions 0.11 0.20 mm 0.21 0.30 mm Valve head diameter A Intake Exhaust Valve face width B Intake Exhaust Valve seat width C Intake Exhaust Valve margin thickness D Intake Exhaust Valve stem diameter Intake Exhaust Valve guide inside diameter Intake Exhaust Valve-stem-to-valve-guide clearance Intake Exhaust Valve stem runout Valve seat width Intake Exhaust 24.9 25.1 mm 21.9 22.1 mm 1.14 1.98 mm 1.14 1.98 mm 0.9 1.1 mm 0.9 1.1 mm 0.6 0.8 mm 0.6 0.8 mm 3.975 3.990 mm 3.960 3.975 mm 4.000 4.012 mm 4.000 4.012 mm 0.010 0.037 mm 0.025 0.052 mm 0.9 1.1 mm 0.9 1.1 mm 1.6 mm 1.6 mm 0.5 mm 0.5 mm 3.950 mm 3.935 mm 4.042 mm 4.042 mm 0.08 mm 0.1 mm 0.04 mm 1.6 mm 1.6 mm
2-6 ENGINE SPECIFICATIONS SPEC Item Standard Limit Valve springs Free length Intake (inner) (outer) Exhaust Installed length (valve closed) Intake (inner) (outer) Exhaust Compressed spring force (installed) Intake (inner) (outer) Exhaust Spring tilt Intake (inner) (outer) Exhaust Winding direction (top view) Intake Exhaust 37.0 mm 38.4 mm 41.7 mm 30.0 mm 32.5 mm 36.1 mm 69 79 N (7.0 8.0 kgf) 114 132 N (11.6 13.4 kgf) 160 184 N (16.3 18.7 kgf) Clockwise Clockwise 35 mm 36.5 mm 39.5 mm 2.5/1.6 mm 2.5/1.7 mm 2.5/1.8 mm Cylinders Cylinder arrangement Bore stroke Compression ratio Bore Max. taper Max. out-of-round Forward-inclined, parallel 4-cylinder 65.5 45.5 mm 12.4 : 1 65.50 65.51 mm 0.05 mm 0.05 mm

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Honda CARBURETOR ADJUSTMENT TOOLS

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Filed Under (Honda) by admin on 17-12-2011

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K&L CARBURETOR ADJUSTMENT WRENCHES These tools use tough and accurate bevel gear actuation instead of cable for professional use. The aluminum handle includes index marks for accurate tuning. Sold each. Three types available: 35-9653 Slot-type Pilot Screw Adjustment Wrench for Kawasaki/Suzuki/Yamaha 35-9658 Slot-type Pilot Screw Adjustment Wrench with longer tip for Kawasaki/Suzuki/Yamaha 35-9650 D-type Keihin Pilot Screw Adjustment Wrench for Honda 90-DEGREE 1/4″ HEX DRIVER This gear driven, 1/4″ hex driver set is made of high-grade aluminum and stainless steel. Strongest tool of it’s type on the market. Designed for use on hard-to-reach pilot air screws on inline fours. Can be used with any 1/4″ or 6mm hex bits. 35-7820 90-Degree 1/4″ Hex Driver Set: Includes straight slot, phillips, d-shape pilot screw bit, 6mm hex jet bit & 1/4″ – hex – 1/4″ drive bit. FCR CARB TOOL Set includes three bits – 6mm hex for main jets, long reach straight slot for pilot jets and 3mm allen for float bowl removal. Longer bits make this set ideal for reaching into recessed cavities when adjusting Keihin FCR carburetors. Sold as a set. 35-7978 FCR Carb Tool 12″ DRILL BIT For removal of carburetor plug. (mixture screw plug) 1/8″ bit x 12 inch length. 35-1186 YM-33217-16 JET DRIVER 35-2270 Perfect for removal of jets from small recessed passages

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HONDA 2008 CRF 450 F SLIP-ON EXHAUST SYSTEM REPAIR MANUALS

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Filed Under (Honda) by admin on 25-12-2011

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The Akrapovic Slip-On system is designed for recreational Honda CRF 450 enthusiasts. It delivers an excellent combination of quality, performance, visual enhancement, easy installation and affordability. The Akrapovic Slip-On is designed for two markets; in the US it is available with an approved spark arrester, and for the EU and other non-US markets it comes with a noise damper. PERFORMANCE Measurements of the Akrapovic SLIP-ON system on the HONDA CRF 450 R (with muffler insert): Power & Torque: Up to 5600 rpm the Akrapovic Slip-On essentially follows the stock power and torque curves. It shows its true colors above that range, where it delivers significant increases to both power and torque. Max. increased power of 2.8 HP was measured at 6600 rpm. At the top of the rpm range the Akrapovic curves again follow the stock power and torque curves. CONFIGURATION The system is composed of a flared stainless steel link pipe which is welded to the muffler. It is attached to the stock header assembly with a sleeve joint secured with a metal clamp. The muffler is the offroad design with a titanium outer sleeve, and stainless steel inlet cap, outlet cap and inner perforation. The muffler is attached to the frame using an Akrapovic carbon-fiber clamp. In the US the system is available with an approved spark arrester, and for the EU and other non-US markets it comes with a standard noise damper

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