2005 Yamaha Motorsports SXViper Mountain Owners Manual - Page 45
2005 Yamaha Motorsports SXViper Mountain Manual
Page 45 highlights
5. Grasp the screwdriver handle and pull briskly. WARNING @ Do not wind the emergency starter rope around your hand. @ 6. After the engine starts, put the starter lever (choke) in the half-open position. Warm up the engine until it does not run roughly or begin to stall when the starter lever is returned to the closed position. 7. Install the drive guard and shroud. WARNING @ Avoid contact with the moving primary sheave assembly. @ ESU00126 Break-in There is never a more important period in the life of your snowmobile than the break-in period. For the first 10 hours, approximately 200 km (125 mi), do not put an excessive load on the engine. Avoid prolonged full throttle operation. Also avoid lugging the engine, such as laborious operation in wet snow. If any abnormal condition is noticed, such as excessive vibration or noise, consult a Yamaha dealer. NOTE: @ To ensure proper engine break-in, use a 50:1 gasoline/oil mixture when filling the fuel tank of a new snowmobile for the first time. For example: 10 L of gasoline per 0.2 L of oil (1 gal of gasoline per 2.6 oz of oil) equals a 50:1 mixing ratio. (See pages 6-1-6-2 for the recommended gasoline and oil.) @ 7-3