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    K series fuel economy

    Why do later K series seem to get MUCH better fuel economy than earlier K's? I have a K2 with 810 kit, 105 main jets . It goes about 210 km on 13litres before reserve. Other K2's in my club get about the same. A friend with a stock K6 goes over300klm before it hits reserve, he reckons he could...
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    Oil pump not holding oil

    The oil level on my K2 tank falls off the dipstick within 2-3 hours of engine shut down. When I installed the oil pump at the last engine re-build I checked that the oil shutoff valve in the oil pump was seating o.k. [I couldn't suck any air past it by mouth]. The oil tank held it's level at...
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    Freeing stuck piston rings

    I Freed gummed rings on Cbr 250rr. n.o 4 cylinder had very low compression ,but it was a low mileage engine,had been sitting afew years, suspected gummed rings. Put no.4 at TDC, filled cylinder all the way to top of plug hole with spray carby cleaner and found it took over an hour to drain...
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