Honda RS125, 1998-2009 - Top End Rebuild Kit

Product Information

All the parts needed for a basic or complete top end rebuild.



RS125 1998 and later



Basic kit has options for different sizes of base gasket. Choose additional parts* as needed.



Basic Kit Contents:


[reference #] part number (quantity) description


[1] 13100-NX4-781 (1) piston


[2] 13111-KV3-000 (1) wrist pin


[2] 12194-NX4-781 (1) cylinder base gasket (0.4T)


[2] 12195-NX4-781 (1) cylinder base gasket (0.5T) standard


[2] 12196-NX4-781 (1) cylinder base gasket (0.6T)


[3] 13112-NX5-700 (2) wrist pin circlip


[4] 13121-NX4-811 (1) piston ring (superceeds 13121-NX5-701)


[12] 91101-NX5-023 (1) wrist pin bearing



*Optional Kit Parts:


[reference #] part number (quantity) description


[4] 12212-ND5-003 (1) head to cylinder outer o-ring


[5] 12213-ND5-000 (1) head to cylinder inner o-ring


[7] 18331-NF4-780 (1) exhaust gasket


[8] 18359-KS7-000 (1) exhaust pipe seal


[9] 31901-NF4-651 (1) spark plug (NGK R6385-105P) standard


[9] 31902-NF4-671 (1) spark plug (NGK R6385-11P)


[9] 31903-NF4-671 (1) spark plug (NGK R6385-10P)


[12] 90441-422-000 (5) head nut washer


[14] 90543-273-000 (1) water check bolt washer


[17] 94301-06100 (2) head to cylinder locating dowel pin


[46] 18359-KS7-000 (2) cylinder to case dowel pins



Select basic options and additions below:

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