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ALL BALLS offers this engine bearing for YAMAHA TTR 50, YFM 125 GRIZZLY 2WD 2004-2027. The engine’s shafts run on ball or roller bearings in the cases. They carry heavy loads at high revs and eventually develop play.
Races and balls (or rollers) in hardened chrome steel, 100Cr6 type: a very hard steel that withstands the fatigue of millions of engine revolutions.
Complete All Balls kits: low-friction bearings and steel-spring nitrile seals, everything you need in one box.
On competition bikes the main bearings are replaced at every bottom-end rebuild, at the hours recommended by the manufacturer. With the cases open, spin each bearing by hand: the slightest rough spot means it must go.
Cross-Mania tip: Heat the cases to remove and fit the bearings without forcing them, and replace the oil seals at the same time.
Check the exact model and year of your bike in the list below before ordering.
Fits:
YAMAHA TTR 50 2027
YAMAHA TTR 50 2026
YAMAHA TTR 50 2025
YAMAHA TTR 50 2024
YAMAHA YFM 125 GRIZZLY 2WD 2013
YAMAHA YFM 125 GRIZZLY 2WD 2012
YAMAHA YFM 125 GRIZZLY 2WD 2011
YAMAHA YFM 125 GRIZZLY 2WD 2010
YAMAHA YFM 125 GRIZZLY 2WD 2009
YAMAHA YFM 125 GRIZZLY 2WD 2008
YAMAHA YFM 125 GRIZZLY 2WD 2007
YAMAHA YFM 125 GRIZZLY 2WD 2006
YAMAHA YFM 125 GRIZZLY 2WD 2005
YAMAHA YFM 125 GRIZZLY 2WD 2004
Click on your bike to see all compatible parts.
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