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Hi, just joined the forum hoping to get some information about my YR5.
Just completed a complete rebuild, everything running and working as it should, but when i take the bike for a ride it feels lacking in power,no zip to it. I know these bikes didn`t have the same power band as the later RD`s. i`ve run it in for approx 250miles before revving it above 5000rpm. I had a rebore and fitted Wossner pistons (it was all i could get at the time) using fully synthetic oil, fitted with electronic ignition and strobed it in. Baffles were taken out cleaned and checked.
Anything i should check or change ?
All help appreciated.
Thanks.
 
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