Wossner 2025

YAMAHA 4-STROKE

MODEL

YEARS

PISTON PART # WÖSSNER COMPR. RATIO OEM COMPR. RATIO

PISTON SIZE

OVERSIZE

RING SET

XT 600

1984 - 2004

8501DA

94.93

STD

GNH95.00

TT 600 R

1984 - 2004

8501DC

94.95

+0.02

GNH95.00

SRX 600

1984 - 1996

8501D050

95.43

+0.50

GNH95.50

TENERE' 600

1984 - 1996

8501D100

95.93

+1.00

960XSY-3

8501D150

96.43

+1.50

965XSY-3

8501D200

96.93

+2.00

970XSY-3

10.7:1

8.5:1

8501D250

97.43

+2.50

975XSY-3

8501D300

97.93

+3.00

980XSY-3

8501D500

99.93

+5.00

1000XSY-3

8501D600

100.93

+6.00

1010XSY-3

8501D700

101.93

+7.00

1020XSU-3

XT 600

1984 - 2004

TT 600 R

1984 - 2004

SRX 600

1984 - 1996

4043DA

11.5:1

8.5:1

94.93

STD

GNH95.00

TENERE' 600

1984 - 1996

8507DA

99.93

STD

1000XSY-3

8507D050

100.43

+0.50

1005XSY-3

8507D100

100.93

+1.00

1010XSY-3

XTZ 660 TENERE

1991-1998

9.2:1

9.2:1

8507D200

101.93

+2.00

GNH102.00

8507D300

102.93

+3.00

GNH103.00

8507D400

103.93

+4.00

GNH104.00

8577DA

99.93

STD

1000XSY-3

8577D200

100.43

+0.50

1005XSY-3

XTZ 660 TENERE

1991-1998

10.5:1

9.2:1

300

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