How is chain slack measured?
Holding the card still (at the bottom “0” point), pull the chain up so it’s as tight going up as it was going down, and look at the same edge of the chain against the card. This is your chain slack measurement. You’re looking for the distance between the low and high points to be between 35 & 45mm.
How tight should my motocross chain be?
1.2–1.6 inches (30–40 mm) is typical for streetbikes, while dirt bikes may need 1.4–2.0 inches (35–50 mm) of slack. Step 4 To adjust the drive chain, loosen the axle nut a couple of turns . If all you have is a short wrench, you can stand on it to get the nut loose.
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.
What should I do if I can’t replace my cam chain?
If you can’t replace the Cam Chain, you can try to add a little more tension to the Cam Cahin adjuster by installing a stronger tensioner spring or by pushing on the tensioner rod and locking it in position with the tensioner rod lock bolt and nut. Try to put just enough pressure to stop the noise.
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.
When to replace cam chain on Honda 350cc twins?
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.