Wössner Set of Piston Rings 50.5mm for YAMAHA YTM 200, YZ 80 and SUZUKI RM 80 1978-1991

WOSSNER offers this piston ring set for YAMAHA YTM 200, YZ 80 and SUZUKI RM 80 1978-1991. Rings are thin steel bands sitting in the piston grooves. They press against the cylinder wall to hold compression and scrape oil.

Why replace the rings?

The benefits:

• Regain compression and power.
• Reduce oil consumption and smoke.
• A cheap fix when piston and cylinder are still within spec.

Why choose WOSSNER?

Wössner has forged its own pistons since 1994: Molykote-coated skirt to reduce friction and ease running-in, kit supplied complete with rings, pin and clips.

When should you replace the piston rings?

Harder starting, loss of power, blue smoke, oil consumption or a knock when cold: these are the signs of a tired top end.

Recommended hours for a top-end rebuild (manufacturer recommendation for the Suzuki RM 80 / RM 85):

• Racing: every 18 h (about 9 races).
• Leisure: no Suzuki figure; Cross-Mania guideline: compression check at around 36 h.

Specifications and fitting tips

• Manufacturer part number: RSB5050

Cross-Mania tip: Check the ring end gap in the cylinder before fitting and respect the fitting direction (mark facing up).

Also needed with this part

• Piston : WISECO · VERTEX
• Top-end gasket kit : CENTAURO · ATHENA
• 2-stroke oil : LIQUI MOLY 1 L 3065 · LIQUI MOLY 1 L 3063

Compatibility

Check the exact model and year of your bike in the list below before ordering.

Fits:
SUZUKI RM 80 1982
SUZUKI RM 80 1981
SUZUKI RM 80 1980
YAMAHA YTM 200 1991
YAMAHA YTM 200 1990
YAMAHA YTM 200 1989
YAMAHA YTM 200 1988
YAMAHA YTM 200 1987
YAMAHA YTM 200 1986
YAMAHA YTM 200 1985
YAMAHA YZ 80 1981
YAMAHA YZ 80 1980
YAMAHA YZ 80 1979
YAMAHA YZ 80 1978