break the chain
The chain and sprocket set was old and mismatched. it was time for a replacement but off the shelf was just not going to cut it. The stock VFR750 FG chain is a 530 pitch which is great for racking up miles with the odd lube when you get the chance to but I was racing and that chain was going to be bulky to lug about. Finding a replacement chain at a more suitable weight would be tricky enough but I was now running a CBR600 F3 rear wheel which ran a 525 pitch chain to add a little complication. I wanted to run a 520 gauge chain (the RC30 ran one so it will be plenty strong enough for the RC24) which is a lot lighter weight and would offer less rolling resistance over stock. This has been done by other people by buying kits that featured "special made to measure" sprockets and came with an associated price tag. Now I knew that the splines on the output shaft of my engine and the bolt spacing on the rear sprocket would be common to other machines and many o them run a