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Showing results for tags 'losing'.
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Hi Chaps i've just got my '89 DT 125 R, it was running fine but all of a sudden when riding it for the first time it totally cut out. It did not have any power at all then twisting the throttle. I stopped at the side of the road and it stalled, I kick started and it started first time, then ran fine again. I thought something could be blocked so i have cleaned the carb and the jet. I took it out for another ride and for a while it was fine totally back to normal. After about 30 minutes of riding it totally lost power at 7000 RPM, it sounds all spluttery through all gears and as it approaches the power band 7K it is awful! Now it seems to struggle to get to 40mph, very spluttery and does not go past 7000rpm. It came de-restricted witha DEP exhaust and im pretty sure he has done something power valve too. Any help would be greatly appreciated. Thanks