How to Adjust the Valves on the Yamaha Raptor 700?

Answer Periodic maintenance of your Yamaha Raptor 700 or 700R includes adjusting the valves for maximum engine performance and fuel efficiency. Possibly the most time-consuming part of the job is removing... Read More »

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How to Adjust the Pilot Screw on a Yamaha Raptor 50?

The carburetor used by Yamaha's Raptor 50 all-terrain vehicle relies on a constant flow of air to draw fuel into the engine. An adjustable pilot screw controls the carburetor's pilot system, which ... Read More »

How to Adjust the Valves in a Yamaha 650?

Originally called the XS1 when introduced to North America in 1970, the Yamaha XS650 was a Japanese copy of British parallel twin-cylinder motorcycles such as the Triumph Bonneville and BSA Lightni... Read More »

How to Adjust the Drive Chain for a 2003 Yamaha Raptor ATV?

Your 2003 Yamaha Raptor 660 uses a motorcycle-type drive chain to transmit power from the engine to the ATV's rear wheels, allowing off-road ATV racers to quickly alter the machine's gearing to sui... Read More »

How to Adjust the Valves on a 2001 Yamaha Kodiak?

The gap between your 2001 Yamaha Kodiak's valves and the rocker arms that move them is called valve clearance. This gap is necessary to accommodate the expansion of the metal valves as they are hea... Read More »