Compatible with Honda Models:
Big Red 250 ATC250ES 1985-1987
ATC250SX 1985-1987
FourTrax 250 TRX250 2x4 1985-1987
Fourtrax 300 TRX300 2x4 1988-2000
Fourtrax 300 TRX300FW 4x4 1988 1990-2000
Part Number & Dimensions:
Cylinder: 12100-HC4-000, 12100-HA0-000, 12100-HA0-770
Bore Size: 74mm - 2.9 in
Height: 116.25mm - 4.57 in
Width: 171.45mm - 6 3/4 in
Material: Aluminum
Cylinder Head Gasket: 12251-HA0-004, 12251-HA0-003
Material: Metal
Cylinder Gasket: 12191-HC4-900
Material: Compressed non-asbestos
O-Ring: 91304-HA0-003, 91302-428-000, 91304-HA0-000
91304-HC4-005, 91305-HA7-671, 91305-HA7-672
Material: Rubber
Piston: 13011-HC4-306, 13011-428-003, 13011-428-005
13011-HA0-305, 13011-HA0-306, 13011-HC0-305
13011-HM5-630, 13101-HC4-000
Width: 55.5mm - 2.18 in
Outer Diameter: 73.7mm - 2.9 in
Spacer Length: 55.2mm - 2.17 in
Material: Aluminum
Pistong Rings: 13011-HC4-306, 13011-428-003, 13011-428-005
13011-HA0-305, 13011-HA0-306, 13011-HC0-305, 13011-HM5-630
Width: 2.3 x 2.8 x 2.8 mm
Thickness: 0.5 x 1.2 x 1.14 mm
Material: Stainless Steel
Cylinder Head Part Number: 12000-HA0-000 12000-HA0-770