> What Metrakit bore do you have? Is it the SP, Pro Race, or
> Hand Made? Did the bore seize up? Did your mechanic find
> anything else wrong like overheating, or lack of
> lubrication from the oil injection? Is the carb adjusted
> too lean? I'm asking all these questions because Metrakit
> products are pretty good in quality, engine failure is
> usually due to other causes. I have the Polini Evolution
> bore in my GP1 and so far after about 6000 miles it still
> runs strong.--vh286
>
>
> > I just received word from my mechanic at derbi in miami
> > that I stuck my gp1. I have the metrakit big bore kit.
> My
> > bike has about 4000 miles on it and only 2000 of those
> with
> > the bb kit. Has anyone heard of a gp1 sticking with
> such
> > low mileage? and also should I get a new metrakit big
> bore
> > kit or go for another manufacturer?
> > jeff.
>
> > I have a polini kit on my honda, the first kit lasted 43,000 mi. of hard riding, you may want to change the gear ratio if you tend to ride hard also use a quality synthetic 2 stroke oil because it handles the heat better. Go with a polini kit.
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