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If you should experience blockage of exhaust flow due to deep snow, causing your sled to hesitate and bog due to the exhaust gasses...

If you should experience blockage of exhaust flow due to deep snow, causing your sled to hesitate and bog due to the exhaust gasses getting backed up, make sure your sled is fitted with an exhaust deflector. Many newer mountain sleds now have some form of deflector, yet many snowmobiles do not. This is really common in deeper snow when sidehilling on the right side of the sled, forcing the exhaust outlet down into the snow. Think of the banana up the tailpipe syndrome, and you’ll get the idea. The engine is an air pump, and if it can’t breathe, it can’t pump, and that’s a loss of power and momentum up the mountain.

Yamaha has an aluminum deflector that rivets onto a bracket that can be fitted to most any sled, originally offered as an improvement to their 2000 Mountain Max models. Order (1) mounting bracket, part #8ED-2197C-00; (1) deflector, part #8ED-2194H-00; (4) rivets, part #90267-48141; and (3) rivets, part #90267-47186.

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