2008 Yamaha Snowmobiles FX NYTRO Factory Service Manual, Page 29Get this manual
Quality of the image is intentionally reduced!
THROTTLE BODY SYNCHRONIZATION 2 Remove: Vacuum caps 1
3 Install: Vacuum gauge 1
Vacuum gauge: 90890-03094 Carburetor synchronizer: YU-44456 4 Install: Fuel tank Refer to "SEA