2006-2008 Yamaha Snowmobiles Apex/Attak Factory Service Manual, Page 342Get this manual

2006-2008 Yamaha Snowmobiles Apex/Attak Factory Service Manual, Page 342

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SYNCHRONIZING THE THROTTLE BODIES
7 Adjust: throttle body synchronization aWith throttle body #1 as standard, adjust throttle bodies #2, #3, and #4 using the air screws #1#2#3#4 NOTE: After each