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  1. #1 SINNIS APACHE 250 (QM250GY) Fuel Pump stuck open/on 
    C-Moto Not-so-Noob
    Join Date
    May 2017
    Location
    Wales
    Posts
    25
    Hi guys,

    My Sinnis Apache 250 (QM250GY-F fuel injection model) has developed a fault - the fuel pump seems to be stuck open.

    When I turn off the ignition and the engine with the ignition key and the handlebar kill switch the Fuel injection pump keeps going until I disconnect the battery.

    Th bike has been standing for a few months and the petrol may have crystallized resulting in it being now stuck on. I've done over 60 miles to try to flush it through but it's still a problem.

    Any HELP would be appreciated.

    Mark

    sinnis-apache-250-4.jpg
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  2. #2 Re: SINNIS APACHE 250 (QM250GY) Fuel Pump stuck open/on 
    motor maniac ShuBen's Avatar
    Join Date
    Jul 2010
    Location
    Beijing
    Posts
    847
    I guess its an electrical problem.
    The fuel pump must switch of with kill switch and/or ignition turned off.
    If its still running there must be short cut somewhere that supplies power to the pump.
    But basically I can hardly imagine this as the ignition lock does a physical power cut off.

    Have you installed additional stuff where you redirect power to it?
    Is for what ever reason the ignition lock short cutted?

    You need a voltmeter to find that bridge.
    SWM RS500R, R1200GS LC
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  3. #3 Re: SINNIS APACHE 250 (QM250GY) Fuel Pump stuck open/on 
    C-Moto Regular
    Join Date
    Feb 2016
    Location
    Xining
    Posts
    63
    Could be pump relay
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