Wrist Pin Kit | Honda CB350 / CL350 / SL350

Description

Wrist Pin Kit | Honda CB350 / CL350 / SL350

The wrist pin ties the piston to the connecting rod, and it has to be the exact right length. A pin that’s too short floats side to side and hammers its retaining clips until one works loose, and a clip that lets go in a running engine wrecks the top end. This kit is the correct-length pin and two fresh clips for the CB350, CL350, and SL350.

Why You Need This

A lot of aftermarket wrist pins have the right diameter but come up short on length. That extra room lets the pin walk back and forth against the clips, and over time it pounds them loose. Our pin is made to the correct length so it stays put with no extra give.

The clips are the C-style clip, the one shaped like the letter C, which is the correct design for these Honda pistons. The G-style clips you’ll find in a lot of kits aren’t right for this pin. Whenever a piston comes off, plan on new clips either way; they’re cheap and the old ones lose their grip.

This kit works with your original cast pistons and with our “Pulsar” oversize pistons.

What’s in the Kit

• 1 wrist pin (also called a piston pin or gudgeon pin)
• 2 C-style retaining clips

One kit does a single piston. A CB350 twin needs two kits for a full rebuild.

Specifications

Installation

Difficulty: Advanced

1. Before you set the piston on the rod, install the inner clip — the one on the cam-chain side — into its groove. Set it so the opening faces 180 degrees away from the notch in the piston.
2. Oil the wrist pin, line the piston up on the small end of the rod, and push the pin through by hand. It should slide with light thumb pressure.
3. Install the outer clip, again with the opening away from the notch, and make sure both clips are fully seated in their grooves.
4. Keep a rag stuffed into the crankcase opening the whole time so a dropped clip can’t fall into the engine.

Reusing your old pins? Only if you’ve measured them and they’re not worn, grooved, or out of round. The clips, though, get replaced every time.