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DUCATI 900 SuperSport Engine performance And technical specification

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Filed Under (Ducati) by admin on 11-11-2010

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Displacement: 904 cc Bore: 92 mm Stroke: 68 mm Max. power: 75 hp at 7000 rpm Max. torque: 80 Nm at 5000 rpm Max. velocity: 220 km/h Pass-By noise: 82 dB(A) Homologation: 1992 Main Targets of Development Today’s motorcycle market requests more powerful engines, however, legislative noise and pollution limits are becoming more severe. In order to reduce development cost only small modifications were allowed. Entirely new designs of technical components (i.e. cylinder head) had to be avoided. In additon, the complete development had to be finished in a relatively short time of about three months. The most important targets of development were: better engine performance: – more max. power: +5 hp – more torque at low rpm lower noise emission: -2 dB(A) 80 dB(A) (89/235/CEE) change from carburettor to fuel injection system Figure 1, Ducati 900 SS
3 Engine performance calculation with WAVE A complete model of the new engine concept (fuel injection) with actual intake- and exhaust geometry allowed us to set up a reference engine-cycle-simulation model for further optimization. The most important parameter-variation during the cycle-studies to improve volumetric efficiency were: intake duct length valve timing constant or even lower exhaust backpressure Figure 2 shows the improvement in calculated engine performance due to different intake-duct length and modified valve timing. Figure 3 gives an example of accuracy of the calculation results compared with measured data of engine performance with new intake-duct length. Figure 4 illustrates the final engine performance with modified valve-timing, intake-duct length and new exhaust silencer. A comparison of measured performance data between the original and the redesigned engine gives shows the improvements in terms of maximum power and torque at low rpm.

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Harley Davidson engine modification

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Filed Under (Harley Davidson) by admin on 02-11-2010

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Looking for high performance engine specifications for your Harley- Davidson motorcycle? Need to know what high performance equipment provides the best performance at the lowest costs for your H-D. Here you can look at performance modifications with the dyno runs of many different engine combinations, so you can pick your own equipment, horsepower rating and dollars to spend. An incremental approach to engine development has provided some good results on many engines. Find out what combination of carburetor, camshaft, exhaust systems, ignition systems, head work, pistons and the other high performance components work well. There are tests of some equipment that did not work well. Know what works and what does not. Compare the results of your current bike to those seen here. Are you getting the performance you paid for? If you have had success in your engine development program, send a picture of the bike and your performance results (dyno sheets or time slips) to the V -Twin Café for publication. The V -Twin Café is always looking for good articles on motorcycle performance work. If you write performance oriented articles, contact us. Twin Cam 88 and 95 cubic inches Twin Cam Engines from Harley-Davidson have a good design and some nice upgrades available from the local Dealer including a 95 cubic inch big bore kit. What can you expect from this engine? Here are some engine configurations that have been tested. 45 to 50 HP Stock Evolution Engines are the starting point for all the modifications. The only way to validate what the performance gain was for any change is to have dyno runs before and after. These are the before runs of several bikes. 55 to 65 HP Up to $750 Stage One Evolution Harley-Davidson engines involve no internal changes made to the engine. All modifications are made by changing or modifications to external components on the engine. These components include air cleaners, carburetors, exhaust systems and ignition systems. No special tools or training is required to perform stage one modifications.

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A Comparison of Stopping Distance Performance for Motorcycles Equipped with ABS, CBS and Conventional Hydraulic Brake Systems

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Filed Under (Tips and Review) by admin on 09-02-2012

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Surface Tests On the ABS-equipped motorcycles, the operator was tasked with braking sufficiently to assure the operation of the ABS. The measured stopping distance values were corrected to compare data from the speeds of 48 km/h and 128 km/h, except for the BMW F650 data, which was corrected to 48 km/h and 117 km/h, the latter figure limited by that model’s top speed of 157 km/h (i.e. 75% of 157 km/h). In the ABS-enabled mode, for each load/speed/brake combination, the stopping distances were very consistent from one run to another. In this mode, the braking force was applied in a controlled and consistent manner by the ABS mechanism. With the exception of having to react to the possibility of the rear wheel becoming airborne under high deceleration, the rider did not require significant experience or special skill in order to achieve a high level of performance. In the ABS-disabled mode, the stopping distances were less consistent because the rider while modulating the brake force, had to deal with many additional variables at the same time. Up to six runs were allowed for the rider to become familiar with the motorcycle’s behavior and to obtain the best stopping distance. Test results from non-ABS motorcycles were noticeably more sensitive to rider performance variability. The data in Table 2 include the best stopping distances obtained without ABS, compared to the average braking performance obtained with ABS. The average results were favored for presenting the performance with ABS because the best results could be more representative of threshold braking, whereby the ABS operated for only a portion of the entire test. Despite being compared to the best stopping distances without ABS, the average results with ABS provided an overall reduction in stopping distance of 5%. The stopping distance reduction was more significant when the motorcycle was loaded (averaging 7%). The greatest stopping distance reduction (averaging 17%) was observed when only the rear foot pedal was applied to stop the motorcycle from 128 km/h

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2003-2007 Victory Motorcycles Installation Instructions for S&S Freedom Performance Tuner

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Filed Under (Victory) by admin on 31-10-2010

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Once the download of S&S Freedom Performance Tuner has been installed on your PC, double click the icon on your desk top. Picture 3 illustrates the S&S Freedom Performance Tuner icon. 2- Enter in your Username and Password and click the login button. Your Username and Password for logging in will be the same as your login for Picture 1 Picture 2 Picture 3 3 3 – Once you’re logged onto S&S® Freedom® Performance Tuner, click on the Year and Model of the bike you’re performing the work on in the middle of the page as illustrated in Picture 4. 4 – Click on the Select Vehicle tab at the bottom of the page as illustrated in Picture 5. The tabs on the left side of the page will now be illuminated. Picture 4 Picture 5 4 5- Click on the ECU Reprogramming tab on the left side of the screen as illustrated in Picture 6. 6- In the center of the screen you will now be prompted to enter in customer information, VIN number of the motorcycle you are performing calibration download on, and calibration card number. Select a re-flash file from the drop down list that you want to download into the motorcycle. All the fields must be filled out for you to continue with the download. Picture 7 illustrates the information screen with required fields filled out. Picture 6 Picture 7 5 Note: Due to the limited description space available in the drop down list in S&S® Freedom® Performance Tuner, a detailed list of available calibrations and part numbers can be viewed on the S&S dealer web. Go to ® Calibrations on the left side of the home page. Here you will find a detailed list of calibrations and part numbers for reference only. Picture 8 illustrates the home page and location for the S&S/Victory Calibrations. Picture 9 illustrates the calibrations for reference

Yamaha YZ250F 2001-2080 Wiseco High Performance Camshaft INSTALLATION MANUAL

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Filed Under (Yamaha) by admin on 15-01-2012

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Wiseco’s new Camshafts are made from premium materials, state-of-the-art forgings, machined to exact tolerances, and specifically engineered for high performance and maximum durability. Brought to you by one of the most trusted names in the industry… Wiseco. Wiseco Cam- blue OEM Cam- red Wiseco’s new high-performance camshafts for the Yamaha YZ250F produce 3% horsepower and 3% torque gain over the stock OEM camshaft across the entire RPM range.

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2004 Aprilia Mille RSV1000R SPECIFICATIONS AND PERFORMANCE DATA

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Filed Under (Aprilia) by admin on 06-11-2010

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Type: ………………….60°, DOHC V-twin Valvetrain: …………four valves per cyl., shim under bucket adjustment Size: ………………………………997.62cc Bore/stroke: ……………. 97.0 x 67.5mm Comp. ratio: ………………………. 11.8:1 Carburetion: Marelli integrated engine management, 2 x 57mm throttle bodies Exhaust:…………………………….2 into 2 DRIVE TRAIN Transmission: …………………. 6-speed Final drive: ………………………….. chain RPM @ 65 mph/redline..3975/10,500 DIMENSIONS Wheelbase: ………………………….. 55.7″ Rake/trail……………………..24.8°/4.00″ Ground clearance: ……………………4.8″ Seat height :…………………………..31.5″ GVWR: …………………………….884 lbs. Wet weight: …………………. 471.5 lbs. Carrying capacity: …………..412..5 lbs. SUSPENSION Front:Showa 43mm inverted cartridge forks, stepless adjustment for comp., rebound, and preload, 4.72″ travel Rear: ..Sachs monoshock, adjustable for comp., rebound, preload and ride height, 5.24″ travel BRAKES Front:……Two Brembo “Triple Bridge” 4-piston, 4-pad calipers, steel braided lines w/two 320mm floating discs Rear: ..Brembo twin-piston, dbl-action caliper, braided line, w/220mm disc TIRES & WHEELS Front: …… 120/70/ZR17 Michelin Pilot Sport on 3.50″ x 17″ wheel Rear:………. 190/50ZR17 MichelinPilot Sport on 6.00 ” x 17″ wheel ELECTRICS Battery: …………………………12V, 10AH Ignition: ……Integrated digital ignition Headlight: ……………………….4 x 55W FUEL Tank capacity: ………………….4.76 gal. Recommended octane…………95 RON High/low/avg.mpg: ….39.5/28.7/ 31.4 Instruments:……..Speedo, tach, clock, odometer, coolant temp., Tripometer (max. and ave. speed), battery voltage, 40-lap timer Indicators: ……high beam, turnsignal, adjustable shift light, low oil, low fuel sidestand, neutral, ECU fault MSRP: ……………………………. $13,899 Routine service interval:……..5100 mi. Valve adj. interval: ……………. 5100 mi. Warranty:……24 mo., unlimited miles. Colors: LeadGrey/Magnet Grey, Aprilia Back/Diablo Black, Fluro Red/Lead Grey PERFORMANCE Measured top speed……173.3 mph 0-1/4 mile………………10.43 sec. @ 135.44 mph 0-60 mph………………..3.09 sec. 0-100 mph………………6.27 sec. 60-0 mph……………………119.3′ Power to Weight Ratio……..1:4.14 Speed @ 65 mph indicated ….61.6 Low end Mid-range Top end Despite all the retuning on the new “Magnesium” engine, we found a noticeable decrease in midrange that was barely offset in the 1/4-mile by a slight increase at peak rpm and a 500-rpm greater rev range. Still, it is a very satisfying powerplant to ride. TEST NOTES PICKS Exotic styling that is arguably the best in the class Improved rider compartment that feels much better A bargain price for an Italian superbike PANS The engine’s ‘improvements’ cost midrange performance Comfort is a relative term, it’s still mediocre Sidestand touches down too easily in hard cornering 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 12345 6789 10 11 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 SAE CORRECTED REAR-WHEEL TORQUE, LB. FT. SAE CORRECTED REAR-WHEEL HORSEPOWER RPM, THOUSANDS 113.9 hp 66.6 lb. ft. • • DYNAMOMETER DATA M/C RATING SYSTEM EXCELLENT VERY GOOD GOOD FAIR POOR ——Open Sportbike—— Engine Transmission Suspension Brakes Handling Styling Riding Impression Instruments/Controls Attention to Detail Value OVERALL RATING

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2007 KTM 250, 450, 505, SX-F QPX Performance Tip/ Spark Arrester Clean out Procedure

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Filed Under (KTM) by admin on 24-01-2012

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Step 1: Take off the end cap of exhaust by removing the five (5) screws using a T-20 torx wrench. Cut the silicone around stock end cap using a box knife, then pull cap straight off. Step 2: Step 3: To install your new QPX Performance Tip/Spark Arrester, slide QPX assembly into muffler with engraving on base right side up. Step 4: Align holes of QPX base and muffler, then reinstall the five (5) original screws with your T-20 torx wrench. Installation is now complete. Store instructions in a safe place for future reference. (See clean out instructions on reverse.) If the spark arrester screen isn’t already installed in the QPX Performance Tip, remove the four (4) M6 bolts attaching the cone to the base, remove cone, install screen between base and cone, reinstall M6 bolts and tighten. Do NOT tighten. Start, but leave loose until all screws are started, the tighten securely.

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HARLEY DAVIDSON EFI SCREAMIN' EAGLE BIG BORE EFI STAGE 2 KIT INSTALLATION INSTRUCTIONS

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Filed Under (Harley Davidson) by admin on 29-01-2011

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INSTALLATION Installation of this kit is divided into six steps: 1. Big-Bore Cylinder and Piston Conversion 2. High Performance Camshafts 3. High Performance Clutch Diaphragm Spring 4. High Performance Air Cleaner 5. Calibrate the ECM 6. Exhaust NOTES This Big-Bore Stage 2 kit is intended for High Performance applications only. This engine-related performance part is legal for sale or use in California on pollution-controlled motor vehicles. Engine-related performance parts are intended for the experienced rider only. -J04173 1 of 5 The air cleaner contained in these kits is designed to perform with these kits only. Any other combination of components is not confirmed to be legal for street use. The Product Information Label contained in this kit is required in the state of California only. This label is required to aid in passing the California Smog Check Program. Place the Product Information Label on the right side of the frame, directly beneath the VIN sticker. Do not place the label on motorcycles other than those specified in the Instruction Sheet. Gaskets provided in the 1690 conversion kit eliminate the need for original head gasket O-rings. For this reason, DO NOT install the Original Equipment (OE) O-rings (Part Number 11273) to the top of cylinder dowels, or severe engine damage may occur. Big-Bore Cylinder and Piston Conversion NOTE Installation of this kit requires removal of the cylinder heads, cylinders and pistons. Refer to Section 3, ENGINE: STRIPPING MOTORCYCLE FOR SERVICE and TOP END OVERHAUL of the applicable Service Manual for instructions. High Performance Camshafts NOTE Installation of this kit requires removal and re-installation of the cam support plate. Refer to Section 3, ENGINE: BOTTOM END Cam Support Plate, Removal and Disassembly/Assembly (Camshaft, Camshaft Bearings) of the applicable Service Manual for instructions. Measuring Piston-to-Valve Clearance After installing non-stock cams, check piston-to-valve clear- ance. 1. Apply 1/8-inch (3 mm) layer of clay to crowns of pistons in areas where valves meet pistons. 2. Refer to the appropriate Service Manual and assemble the heads and valve train, and tighten cylinder studs to torque specified. 3. Turn engine through two complete revolutions by hand. 4. Remove heads and measure clay at its thinnest point. NOTE Clay must measure 0.080 inch (2.03 mm) at its thinnest point. If this measurement does not meet minimum thickness, depth of valve notches must be increased. The depth of the notches must not exceed 0.135 inch (3.43 mm). Measuring Valve-to-Valve Clearance NOTE Wait ten minutes before turning the engine after installing push rods. This allows tappets to bleed down and prevents you from bending push rods or valves. 1. Rotate the engine so that both valves of the front cylinder are partially open. Shine a light through the exhaust port and look through the spark plug hole to view the valves. Turn engine, if required, to the point where the exhaust evel sensor to the fuel pump with screw (3). Tighten the screw enough to seat the fuel sensor against the mounting tab e. Route fuel level sensor wiring under the fuel hose and connect the fuel level sensor to the low fuel switch connector on the fuel pump module. If necessary use the jumper harness (Figure 4, item 5). f. See Figure 2. Secure the fuel pump wires and con- nectors

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Suzuki GSF 1200S Bandit Upgrade INSTALLATION MANUAL

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Filed Under (Suzuki) by admin on 15-02-2012

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Holeshot Steering Damper 12 Then he attached a wire to the damper rod, to prevent it from getting lost in the fork tube, and pulled out the stock spacer and spring. 11 The Bandit has an internal damper that’s connected to the top and bottom of the fork tube. Kevin loosened the nut to detach it from the fork cap. 5 Rich loosened the damper body clamp and slid it onto the damper. 6 Next, he mounted the damper, front and rear, using a flat washer and a locking nut as a safety precaution. Then he began the final adjustments (see sidebar for details). When finished, he tightened the bolts in the fairing bracket. 7 To install the fork brace, Rich had to first carefully cut off the plastic fork protectors. 8 He placed the body of the brace between the forks and loosely bolted each end of the brace in place. He finished by tightening all the bolts to spec. 9 The Works Performance spring kit comes with everything needed for installation. 10 With the bike on the lift, Kevin jacked up the front end to reduce the spring load. He removed the bars, loosened the pinch bolts, and removed the fork cap. Holeshot Fork Brace Works Dual-Rate Spring Kit February/March 2006 RoadBike 87 www. RoadBikeMag.com February/March 2006 RoadBike 88 16 The Muzzys kit comes with the canister, a midsection pipe, and a centerstand stop plate and bolt. 17 I removed the stock muffler, starting from where the midsection pipe joins the header. If the gasket is in good condition, you can reuse it. 18 Since the stock pipe included a centerstand stopper, Muzzys provides a new one. With the muffler removed, I mounted the stop plate to the centerstand pivot bolt. 19 I carefully eased the Muzzys midsection pipe into the stock gasket, and then slid the muffler on and rotated it until the mounting brackets were aligned. 13 Kevin compared the stock spring assembly (bottom) to the Works one (top) to see if he needed to cut the provided spacer. There’s a difference of about .25″, but the instructions account for this discrepancy (years of the stock spring carrying a load), so no cutting was required.

Celica GT-S Front Big Brake Upgrade Installation Instructions

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Filed Under (Toyota Manuals) by admin on 06-06-2011

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The most common causes of brake vibration are run-out and thickness variations on the rotor. Double disc
grinding insures the rotor run-out is within +/- 0.002” when installed on our aluminum hat. Thickness variation is within 0.0003”. Under the most extreme conditions, any rotor may warp. Thickness variation will never change, though pad material may get deposited on one spot of the rotor if a foot is left on the brake pedal after coming to a complete stop when the system is hot. This deposited material will induce a vibration, and if sever enough, can only be cured by replacing the rotor. Not following proper break-in procedures for the rotor and pads may also cause pad deposits on the rotor. STOPTECH is not liable for vibrations caused by extreme usage or improper break-in procedures. rake Noise Certain brake pad compounds make more noise than others. Proper anti-squeal shim plates between the caliper pistons and backing plate of the pad help reduce the problem. Anti-squeal lubricants are also available to reduce some of the noise. The reality is, performance pads are more prone to brake squeal

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