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Top End Engine Rebuild Kit w/ Pistons - Honda CB450K CL450K

$104.90
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Product Description

Top end engine rebuild kit with pistons for the Honda CB/CL450K from the 60's and 70's. Time to rebuild? If you're diving in and doing the top end, honing the cylinders and replacing gaskets, this is a great kit to have on hand!

Gasket Set Includes:

91302-283-000 (updated part number 91302-283-003) - O-RING (75.8X2) - x2
91314-220-000 - O-RING (16.4 x 2.4) - x1
12209-283-000 - O-RING (12X1) - x4
14791-319-005 - Valve Stem Seal - x4
12909-428-003 (updated part number 12909-333-000) - cylinder stud seal - x2
18291-283-010 (updated part number 18291-MM8-880) - exhaust gasket - x2
12251-283-020 (updated part number 12251-283-306) - Cylinder head gasket - x1
12191-283-010 (updated part number 12191-283-306) - Cylinder base gasket - x1
16229-283-010 (updated part number 16229-283-306) - carburetor insulator gasket - x2
12316-283-310 (updated part number 12316-283-306) - Gasket A cylinder head cover rear - x2
12393-283-010 (updated part number 12393-283-306) - Gasket B cylinder head cover front - x2
12394-283-000 (updated part number 12394-283-306) - Gasket cover cylinder head left and right - x3
12394-283-000 (updated part number 12394-283-306) - Gasket behind tach cover - x1
30391-283-010 (updated part number 30391-283-306) - Points cover gasket - x1
14591-283-000 (updated part number 14591-283-306) - Cam chain tensioner gasket - x1
11691-283-000 (updated part number 11691-283-306) - Alternator cover gasket - x1
11395-283-000 (updated part number 11395-283-306) - Left Crankcase cover gasket - x1
11394-292-000 (updated part number 11394-292-306) - Right Crankcase cover gasket - x1

Installation Tips:

  • Be very careful when installing the cylinder over new rings, it's helpful to have the proper tool to keep the rings compressed as you lower the cylinder over the pistons. Try to use only plastic tipped tools to prevent from scratching aluminum surfaces.
  • The Letter stamped on the top two rings should be facing up when installing them and stagger the ring gaps according to the manual.
  • All sealing surfaces for gaskets must be clean and flat to make a proper seal, sometimes non-hardening sealant is necessary.

Piston Ring Order:

Top Compression Ring (silver outer rim)
Second Ring (black outer rim)
Bottom Rings (3 pieces - Spacer in the middle - 1 thin ring on either side)

Fits Honda:

CB450K1-K7 Super Sport - 1968-1974 (Not for CB450K0 from '68)
CL450K Scrambler - 1968-1974

Other Details

Main Category:
Engine
Sub Category 1:
Engine Gaskets
Sub Category 2:
Engine Rebuild Kits
Sub Category 1:
Engine Seals

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