Are there cam chain issues on the CB400F?
So i purchased a cb400f without knowing anything about the cam chain issues. it was kind of loud on the ride home and had no top end power. It need a few things since i bought it from an old guy who couldnt ride, he used to drag race bikes when he was younger and still builds/rebuilds them.
When to replace the cam chain on a Honda 350cc?
The early Honda 350cc twins had a tensioner controled by oil pressure. Check your shop manual. If the Cam Chain is real noisy and the noise does not go away when you adjust it, the Cam Chain is worn out and needs to be replaced. Just like with the rear drive chain and sprockets, the Cam Chain sprockets should be replaced too.
How do you adjust the cam chain on a Honda XR200?
Like the Honda XR200. You must heat the crank up and use a gear puller to pull it off the end of the crankshaft. Now the fun part. You cool the crankshaft in a freezer, heat up the new Cam Sprocket to about 250 degrees and pop it on while aligning one of the gear teeth to the woodruff key on the crankshaft.
What to do about drag on Honda CB400F?
I would also recommend to strip clean & grease the front brake caliper pivot pin which is bolted to the front left fork, this can seize causing drag & reducing brake perfomance & overall performance.
How do you tighten a cam chain adjuster?
You usually have to set the engine to some kind of mark on the flywheel. This moves all the Cam Chain slack to where the adjuster is. Then loosen the pinch bolt on the adjuster. If it’s well worn you will hear a muffled bang or pop as the adjuster takes up the slack in the Cam Chain. Tighten the pinch bolt and all is well.
How does a pinch bolt work on a cam chain?
These have a pinch bolt that locks the adjuster shaft in position. As the Cam Chain wears (Stretches) it makes more noise. You usually have to set the engine to some kind of mark on the flywheel. This moves all the Cam Chain slack to where the adjuster is. Then loosen the pinch bolt on the adjuster.
Like the Honda XR200. You must heat the crank up and use a gear puller to pull it off the end of the crankshaft. Now the fun part. You cool the crankshaft in a freezer, heat up the new Cam Sprocket to about 250 degrees and pop it on while aligning one of the gear teeth to the woodruff key on the crankshaft.
The early Honda 350cc twins had a tensioner controled by oil pressure. Check your shop manual. If the Cam Chain is real noisy and the noise does not go away when you adjust it, the Cam Chain is worn out and needs to be replaced. Just like with the rear drive chain and sprockets, the Cam Chain sprockets should be replaced too.