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Type: Posts; User: zimanimal

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    Dyno performance

    Thanks for the info. Zim Jialings are twin-carb and cast wheeled. They arrive with 4 exhausts - 2 being stubs connected through a balance pipe to the headers. I had mine modified to run both on...
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    More on the 250 performance

    Thanks to iamcanjim for the Rebel-derived info - I see you guys have a huge site. My problem is not too lean a mixture, but too rich. Even with the head-work the beast still runs rich at full...
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    BigBoreJialing

    Hi Carl

    Cost of re-bore was US$60, but my dealer had old stock pistons and the head work was done in-house. I've been dealing with the guys at TT for over 30 years and my bike is the unofficial...
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    More Power from Jialing 250

    Decided that the little 250 cruiser needed a bit more to cruise with the bigger boys, so -

    Stage One - take off the head and open up the very restrictive exhaust ports, clean up the inlets, and...
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    Jialing JH250 performance upgrade

    I'm one of 6 or seven owners of JH250E5 cruisers in Harare, Zimbabwe. I've reduced the rear sprocket to 29 teeth to give a theoretical 140kmh @8500rpm but need a bit more torque. We're at 1500m...
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