1987 Yamaha CHAMP Service and Repair Manual

Yamaha's Champ was documented in service manual LIT-11616-YF-10, which covers the 1987 through 1991 model years. The 1987 machine is identified by code YFM100T.

Documentation for a small ATV this old is worth having precisely because so little else survives. The book gives the factory's maintenance intervals, its engine and driveline procedures in the intended order, its fuel system adjustments, its brake and suspension specifications, and wiring diagrams for the machine's own harness.

Torque figures and service limits are stated where the work requires them, which lets you measure a worn component and get a definite answer about whether it stays or goes.

Confirm YFM100T on your machine before ordering. Yamaha tracked these by code, and the code is what guarantees the specifications apply.