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I am restoring a Blue/White 1991 RGV250M, this video is the bike completed, 3rd run out and around 50 miles covered.
First trip out was 8 miles to get MOT, betwen 4-5k rpm it had no power at all, tracked the problem down to having the air solenoid pipework connected the wrong way around.
2nd trip out all was ok, taking it very easy to give pistons chance to bed in.
3rd time out started to give it a bit more throttle, starts to pull good from 6k rpm and power once at 8k rpm is very strong, better than I remember the previous RGV I owned was, probably down to the good compression of the re-plating and new pistons.
The Dunlop Qualifier H (160/60 R17) rubs on the chain, I have measured the tyre width and it is actually 170mm wide, I have called Dunlop and they informed me they follow the ETRTO tyre standards and the specifications for a 160/60 R17 tyre says it can be anything up to 177mm wide.
The curvature and width of tyre affect stability etc and depending on the target market for the tyre they can use different widths as long as it stays within the ETRTO specifications.
I am going to get a 150/60 fitted ASAP as I cannot get the wheel aligned without it badly rubbing the chain and I will never be happy with it like this.
Since getting it running I have also changed the clutch cable and fitted a slightly longer release arm as the clutch was very heavy to operate, I had re-used the old clutch cable but this was a false economy.
The bike has been fully checked over since this video and I had to re-adjust the power valve cables and oil pump cable as they were both slightly out of spec, apart from that all was ok.