Chain and sprockets change
|Changing the sprockets and chain on the CB750 Nighthawk is not a child play. You need force, you need some skills with the tools. But sometimes a man has to do what a man has to do and do his own maintenance on the bike to be a real “biker”.
Chain and sprockets for the Honda CB750 Nighthawk
After looking at the Tsubaki site I went (and that was a mistake) for the Tsubaki Chain kit HO-128, a 525 chain with 112 links and JT Sprockets, JTF1332.15 (15 teeth) front and JTR1332.40 (40 teeth) rear (these sizes are clearly indicated here). After installing the chain and sprockets I found out that I should take on link out from the chain (now it’s a little bit too long). If you look at the JTSprockets site, here you will see the recommended chain and sprockets would be:
Once again, the recommended DID chain is: DID 525 V9/110 links, and the RK chain is RK 525 SM0Z5/110 both with 15/38 sprockets. In Europe, Regina recommends the same, which means the Tsubaki chain was simply too long.
Changing the chain and sprockets on the Honda CB750 Nighthawk
Before starting, you should know that if you are not using an endless chain, you will need a “press chain tool” which is used to fix the master link. Other than that, just regular tools and one extra pair of hands (to help from time to time) are needed.
Note: I’m only discussing non-endless chain change here. If you want to install an endless chain, you need to remove the swing arm.
Let’s go step by step: