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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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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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YAMAHA YZ MOTOCROSS ENGINE specification

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Filed Under (Yamaha) by admin on 13-11-2010

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YZ450F Engine Reshaped intake ports The YZ450F’s innovative 5-valve cylinder head design is one of the most sophisticated in the category, and plays a vital role in enabling this high-tech MX bike maintain its well-documented superiority on the race track. For 2008 the combustion efficiency of this advanced cylinder head is further improved with the introduction of reshaped intake ports which enhance the bike’s low to mid-range performance. New exhaust camshaft profile Yamaha Motor Europe N.V. Page 5 of 33
In order to optimise the significant performance gains of the new intake port design, the latest YZ450F’s 5-valve cylinder head is equipped with new camshafts featuring reshaped Yamaha Motor Europe N.V. Page 6 of 33
profiles. The inlet valve timing has been adjusted, the overlap is modified and exhaust lift is revised to create an idealised balance of intake and exhaust operations for increased combustion efficiency and improved performance in the important low to mid-range zone. Reduced piston clearance The YZ450F powerplant is already one of the most advanced 4-stroke engine designs in the MX world, featuring cutting-edge technology which gives it a real advantage. Extensive use of lightweight materials has enabled Yamaha to create a light, compact and high-revving engine which produces a remarkably wide band of hard hitting power – and for 2008 our engineers have further reduced cylinder/piston tolerances of the 95mm diameter piston in order to enhance the overall package. These reductions may only be measurable in terms of microns, yet the differences are most definitely tangible, and include increased torque output, smoother running and quieter operation. New 94dB silencer Complying with the new FIM94dB(A) regulations is a new stainless steel silencer which maintains the machine’s strong low to mid-range power output, while reducing overall noise.

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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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YAMAHA YZF-R1R/ YZF-R1RC OWNER'S MANUAL

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Filed Under (Yamaha) by admin on 03-12-2010

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1. Right turn signal indicator light “” 2. Fuel level warning light “” 3. Oil level warning light “” 4. Neutral indicator light “” 5. Engine trouble warning light “” 6. High beam indicator light “” 7. Left turn signal indicator light “”
INSTRUMENT AND CONTROL FUNCTIONS 3-3 3 EAU04895 Oil level warning light “” This warning light comes on when the engine oil level is low. The electrical circuit of the warning light can be checked by turning the key to “ON”. If the warning light does not come on for a few seconds, then go off, have a Yamaha dealer check the electrical cir- cuit. NOTE: Even if the oil level is sufficient, the warning light may flicker when riding on a slope or during sudden acceleration or deceleration, but this is not a malfunction. This model is also equipped with a self-diagnosis device for the oil level detection circuit. If the oil level detection circuit is defective, the following cycle will be repeated until the malfunction is corrected: The oil level warning light will flash ten times, then go off for 2.5seconds. If this occurs, have a Yamaha dealer check the motor- cycle. EAU00061 Neutral indicator light “” This indicator light comes on when the transmission is in the neutral position. EAU04896 Engine trouble warning light “” This warning light comes on or flashes when an electrical circuit monitoring the engine is defective. When this occurs, have a Yamaha dealer check the self-diagnosis system. (See page 3-7 for an explanation of the self-diagnosis device.) The electrical circuit of the warning light can be checked by turning the key to “ON”. If the warning light does not come on for a few seconds, then go off, have a Yamaha dealer check the electrical circuit. EAU00063 High beam indicator light “” This indicator light comes on when the high beam of the headlight is switched on

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Yamaha VMX12/ VMX12C Owner's Manual

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Filed Under (Yamaha) by admin on 14-12-2010

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Main switch EAUO0028 The main switch controls the ignition and lighting systems. The various main switch positions are described below. EAU00032 ON All electrical systems are supplied with power, the headlight, meter lighting, taillight and front position lights come on, and the engine can be started. The key cannot be removed. EAU00038 OFF All electrical systems are off. The key can be removed. 1. Push. 2. Release. 3. Turn P (Parking) The meter light, taillight and position lights are on, but all other electrical sys- tems are off. The key can be removed. The key must be pushed in from the “OFF” position to be turned to “P”. ECA00043 Do not use the parking position for an extended length of time, otherwise the battery may discharge. 1. Neutral indicator light ‘NEUTRAL’ 2. Turn signal indicator light ‘TURN’ 3. Fuel level warning light ‘FUEL’ 4. High beam indicator light ‘HIGH BEAM’ 5. Oil level warning light ‘OIL LEVEL’ EAU03034 Indicator and warning lights EAU00062 Neutral indicator light “NEUTRAL” This indicator light comes on when the transmission is in the neutral position. EAU00059 Turn signal indicator light “TURN” This indicator light flashes when the turn signal switch is pushed to the left or right. his warning light comes on when the fuel level drops below approximately 3 L (0.7 Imp gal, 0.8 US gal). When this occurs, refuel as soon as possible. The electrical circuit of the warning light can be checked according to the fol- lowing procedure. 1. Turn the key to “ON”. 2. If the warning light does not come on, have a Yamaha dealer check the electrical circuit. Oil level warning light “OIL LEVEL” This warning light comes on when the engine oil level is low. The electrical circuit of the warning light can be checked according to the following procedure. 1. Turn the key to “ON”. 2. If the warning light does not come on, have a Yamaha dealer check the electrical circuit. NOTE: EAU00064 High beam indicator light “HIGH BEAM” This indicator light comes on when the high beam of the headlight is switched on. Even if the oil level is sufficient, the warning light may flicker when riding on a slope or during sudden acceleration or deceleration, but this is not a mal- function

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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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Yamaha 2005 R1 Bike Tech Sheet

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Filed Under (Yamaha) by admin on 18-01-2012

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Engine: Type: Liquid cooled, four stroke, transverse four cylinder, DOHC, 5 valves per cylinder. Displacement: 1000cc Year: 2005 Horsepower: 180hp Clutch: PM Exhaust: Vance & Hines Race Exhaust Mufflers: Vance & Hines Frame: Type: Stock Year: 2005 Swing Arm: Performance Machine Chromoly +4 Extended Shocks: Race Tech Modifications: Race Tech Tuned and Lowered. Forks: Stock lowered 2.5″ Rim: Performance Machine Contrast Cut Torque Size: 19″ X 3.0″ Finish: Contrast Cut Fender: None Tire: Dunlop Sportmax D208ZR 120/70ZR19 Brake: Dual Performance Machine 4 piston Radial Calipers Wheels Rear: Rim: Performance Machine Contrast Cut Torque Size: 18″ X 8.5″ Brake: Performance Machine 4 piston Radial Caliper Finish: Contrast Cut Tire: Dunlop Elite3 250/40/R18 Other Parts: Handlebars: Stock Foot Controls: Over Racing Seat: Stock Turn Signals F/R: Anything Extra? Mirrors: Performance Machine Torque chrome Mirrors 19″ FRONT WHEEL! Paint, Chrome, and other F/X’s: Colors: yellow/Black Type: Special Paint: AirTrix Industries The Painter: Chris Wood Powder Coating: A to Z Coatings

YAMAHA MOTOR CORPORATION, U.S.A. STREET & ENDURO MOTORCYCLE LIMITED WARRANTY

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Filed Under (Yamaha) by admin on 27-12-2011

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GENERALEXCLUSIONS from this warranty shall include any failures caused by: a. Competition or racing use. b. Installation of parts or accessories that are not qualitatively equivalent to genuine Yamaha parts. c. Abnormal strain, neglect, or abuse. d. Lack of proper maintenance. e. Accident or collision damage. f. Modification to original parts. g. Damage due to improper transportation. SPECIFIC EXCLUSIONS from this warranty shall include parts replaced due to normal wear or routine maintenance. THE CUSTOMER’S RESPONSIBILITY under this warranty shall be to: 1. Operate and maintain the motorcycle as specified in the appropriate Owner’s Manual. 2. Give notice to an authorized Yamaha motorcycle dealer of any and all apparent defects within ten (10) days after discovery, and make the machine available at that time for inspection and repairs at such dealer’s place of business. You may locate your nearest authorized Yamaha dealer through your local telephone directory. WARRANTY TRANSFER: To transfer any remaining warranty from the original purchaser to any subsequent purchaser, it is imperative that the machine be inspected and registered for warranty by an authorized Yamaha motorcycle dealer. In order for this warranty to remain in effect, this inspection and registration must take place within ten (10) days after transfer. Areasonable dealer imposed fee may be charged for the inspection. In no case will warranty be extended beyond the original period. EMISSIONS CONTROLSYSTEM WARRANTY Yamaha Motor Corporation, U.S.A. also warrants to the ultimate purchaser and each subsequent purchaser of each Yamaha motorcycle covered by this warranty with a displacement of 50cc or greater, that the vehicle is designed, built, and equipped so as to conform at the time of sale with all U.S. emissions standards applicable at the time of manufacture and that it is free from defects in materials and workmanship which would cause it not to meet these standards within the periods listed immediately below. Failures other than those resulting from defects in material or workmanship which arise solely as a result of owner abuse and/or lack of proper maintenance are not covered by this warranty.

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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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