PROX Crankshaft Bearing 25x55x15mm for YAMAHA IT 200, TDR 125, TZR 125, YFS 200 BLASTER 2WD 1984-2007

PROX offers this engine bearing for YAMAHA IT 200, TDR 125, TZR 125, YFS 200 BLASTER 2WD 1984-2007. The engine’s shafts run on ball or roller bearings in the cases. They carry heavy loads at high revs and eventually develop play.

What is this bearing made of?

Races and balls (or rollers) in hardened chrome steel, 100Cr6 type: a very hard steel that withstands the fatigue of millions of engine revolutions.

• Open bearing: unsealed, it is lubricated and cooled by the engine oil; clean oil is its best protection.
• C3 / C4 internal clearance: slightly more clearance than normal for a hot engine’s expansion; always refit the original clearance.
• Limit: it dislikes dust and old oil; running short of oil destroys it within minutes.

Why choose PROX?

ProX uses Koyo or NTN bearings, largely made in Japan in OEM factories, with the original internal clearance (C3 / C4).

When should you replace the bearings on your YAMAHA YFS 200 BLASTER 2WD?

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.

Specifications and fitting tips

• Manufacturer part number: 23.83A915

Cross-Mania tip: Heat the cases to remove and fit the bearings without forcing them, and replace the oil seals at the same time.

Also needed with this part

• Complete engine gasket kit : 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:
YAMAHA IT 200 1986
YAMAHA IT 200 1985
YAMAHA IT 200 1984
YAMAHA TDR 125 1992
YAMAHA TDR 125 1991
YAMAHA TDR 125 1990
YAMAHA TDR 125 1989
YAMAHA TZR 125 1992
YAMAHA TZR 125 1991
YAMAHA TZR 125 1990
YAMAHA TZR 125 1989
YAMAHA TZR 125 1988
YAMAHA TZR 125 1987
YAMAHA YFS 200 BLASTER 2WD 2007
YAMAHA YFS 200 BLASTER 2WD 2006
YAMAHA YFS 200 BLASTER 2WD 2005
YAMAHA YFS 200 BLASTER 2WD 2004
YAMAHA YFS 200 BLASTER 2WD 2003
YAMAHA YFS 200 BLASTER 2WD 2002
YAMAHA YFS 200 BLASTER 2WD 2001
YAMAHA YFS 200 BLASTER 2WD 2000
YAMAHA YFS 200 BLASTER 2WD 1999
YAMAHA YFS 200 BLASTER 2WD 1998
YAMAHA YFS 200 BLASTER 2WD 1997
YAMAHA YFS 200 BLASTER 2WD 1996
YAMAHA YFS 200 BLASTER 2WD 1995
YAMAHA YFS 200 BLASTER 2WD 1994
YAMAHA YFS 200 BLASTER 2WD 1993
YAMAHA YFS 200 BLASTER 2WD 1992
YAMAHA YFS 200 BLASTER 2WD 1991
YAMAHA YFS 200 BLASTER 2WD 1990