Engine Rebuild Kit - Honda CB650 - 1979-1982

$73.95
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Engine rebuild kit for the Honda CB650. Time to rebuild? If you're diving in and replacing engine gaskets and seals this is a great kit to have on hand!

Note: Honda had 2 different shaped head gaskets (1 side of the cam chain opening is different), the photo shows the one that comes in the kit.

Gasket Set Includes:

12191-426-306 - cylinder base gasket x1
12251-426-306 - cylinder head gasket x1
91301-200-000 - valve guide o-ring 10X1.6 - x8
91318-300-013 - sealing rubber x6
91304-286-000 - cylinder o-ring 61.8X2.0 - x4
91310-426-000 - oil control valve o-ring 11X2.5 - x2
91301-426-010 - dowel pin o-ring 4.9X2.5 - x2
12391-460-770 - cylinder cover rubber gasket x1
12395-426-000 - top left cover rubber gasket x1
12396-426-000 - top right cover rubber gasket x1
12329-426-000 - breather cover rubber gasket x1
18291-236-000 - exhaust gasket x4
11398-426-000 - oil pan rubber gasket
11691-426-306 - alternator cover gasket
11394-426-306 - crankcase cover gasket

Oil Seal Kit Includes:

Right Crankcase Cover Seal (clutch puller)
Gearshift Drum Seal
Crankshaft Right Side Seal
Crankshaft Left Side Seal
Shift Shaft Seal
Tachometer Drive Seal

Note: Does not include Countershaft Seal

Installation Tips:

Press your seals in straight with a seal driver or a socket with a slightly smaller OD than the seal. Both surfaces must be free of dirt to create an oil tight seal.

All sealing surfaces for gaskets must be clean and flat to make a proper seal, sometimes non-hardening sealant is necessary.

Fits Honda:

CB650 - 1979-1982
CB650C Custom - 1980-1981
CB650SC Nighthawk - 1982

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  • 4
    Good, just wish there were labels

    Posted by Jesse on 1st Jun 2019

    I can’t knock the parts themselves, they’re good quality. The service is amazing too. This website rocks dude. I just wish everything was labeled a little better because doing my first engine rebuild. I had a tough time figuring out what was what. Most stuff was obvious, but without reading the whole manual some stuff you’d never know. So mostly that last star is just for me lol. The parts. The service the shipping all bueno.