Click to enlarge

@ *NEW_OEM_CYLINDER 50MM_STD_BORE "NEW_TYPE"  OEM_HONDA!! CT90_K5_TO_79<P>(ST90'S_K1_&_K2_ONLY) (ATC90_SOME_READ) 12100-028-791 1/22M (265M)

ATC90'S WITH A ENGINE SERIAL NUMBER'S LARGER THAN 1113934 OR ABOUT 1972 AND NEWER,,,,CT90'S K5, K6, 76-79,,,,(ST90'S_K1_&_K2_ONLY)

AND IF YOU GET A HEAD FROM ANY OF THE ABOVE MODELS IT WILL WORK ON ANY OVERHEAD CAM 90CC OLDER THAN ABOUT 1974. THIS CYLINDER TAKES THE HEAD AND HEAD GASKET WITH 3 KNOTCHES IN IT. SEE OUR # 83W BELOW ON THIS PAGE.

BE ALL NEW OEM, BY GETTING THE PISTON, RINGS, PIN AND CLIPS BELOW TOO !!!


265M

@ **OEM STANDARD PISTON 13101-028-070 ALL ATC90 CT90 ST90 CL90 S90 SL90 CM91 7/21M (10B)
@ *PISTON_RING_SET 90cc/ALL ATC/CT/ST<p>13011-121-762 130A1-121-762 130B1-121-762 130C1-121-762 130D1-121-762<p>7/22M 10C 25A 24JJ 43G 29J
@ *PISTON_PIN CT90_ATC90 OTHERS 13111-028-000 1/22M (42F)
@ *PISTON PIN CLIPS SOLD_EA 90cc 14MM 1/20A (42E) (R2064)
@ **OEM STANDARD PISTON 13101-028-070 ALL ATC90 CT90 ST90 CL90 S90 SL90 CM91 7/21M (10B)

10B
@ *PISTON_RING_SET 90cc/ALL ATC/CT/ST

13011-121-762 130A1-121-762 130B1-121-762 130C1-121-762 130D1-121-762

7/22M 10C 25A 24JJ 43G 29J

90cc-RINGSSIZE: 
@ *PISTON_PIN CT90_ATC90 OTHERS 13111-028-000 1/22M (42F)

42F
@ *PISTON PIN CLIPS SOLD_EA 90cc 14MM 1/20A (42E) (R2064)

42E
@ CT90 ATC90 ATC110 ST90 NEWER STYLE HEAD GASKET 12251-028-790 7/21M (83w)
Click to enlarge
Click to enlarge
@ LEFT IS NEW TYPE HEAD AND COPPER GASKET
@ CT90 ATC90 ATC110 ST90 NEWER STYLE HEAD GASKET 12251-028-790 7/21M (83w)

83W
CLICK ON PICTURE TO SEE FULL PAGE


CLICK ON PICTURE TO SEE FULL PAGE


@ LEFT IS NEW TYPE HEAD AND COPPER GASKET


Click to enlarge
@ 10MM X 20MM DOWEL PIN  1/21P (339A)
@ NEW TYPE VS OLD TYPE HEAD GASKET = KNOTCHED & ALL ROUND


@ 10MM X 20MM DOWEL PIN 1/21P (339A)

339A