Restoration Guide

Honda CB350

1968-1973
Key Specifications
Displacement
325 cc
Bore
56.0 mm
Stroke
50.6 mm
Cylinder-head torque
25 N.m
8 mm cap screws, 3-stage (15/22/25)
Cam-sprocket bolt
40 N.m
Engine sprocket nut
55 N.m
LH thread, staked
Shop the CB350 guide

Workshop Walkthrough

CB350 SOHC parallel-twin — animated diagram walkthrough

A step-by-step animated walkthrough of the K0-CB350G teardown — cooling + oil drain, cam-chain orientation marking, the three-stage head torque (15 / 22 / 25 N.m), and the cold 0.05 mm intake / 0.05 mm exhaust clearance on both pistons at TDC.

Workshop Walkthrough

Watch the on-canvas build first, then run the numbered steps below at the bench. Still frames pin to the matching step in the procedure list.

If the inline player will not start, download the walkthrough (MP4).

Family reference

CB450CB550CB650CB750CB900F Bol d'OrHonda SOHC hub

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