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homer

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Posts posted by homer

  1. Few years ago we bought a little bandit for my wife. It was quite badly keeped so it was a cheap buy. Cheap indeed, airbox cover was missing, every bearing was fucked and there was very badly made "modifications" here and there.

    Started to overhaul it last year and did the worst faults first. One very odd and annoying is still there. It is very hard to start when the engine is cold.

    Done so far: 

    New plugs

    New coils

    Ultrasonic clean for the carbs

    New seals and misc parts for the carbs

    Relay mod for the coils

    Stock setup for the carbs

    Fuel tap checked

    Compression tested the cylinders

    Valve clearances

    Spark is very strong and plugs are wet after cranking. It starts if I jump start it and after it is warm it starts right away. Any ideas what to check next?

     

  2. But as Gixer1460 said paraller wont help cranking speed. Engine needs to turn faster to get better signal. I was wondering is it so bad because stock generator flywheel is deleted. It might balance the crank rotation.

    I have a small battery to connect in series so I can test will it help. 

  3. 7 minutes ago, Gixer1460 said:

    Two alternatives - 2 batteries parallel connected for 12v - may not improve the cranking, just allow you to do it for longer OR series connected for 24v starting which will really spin it over! If the latter is chosen, then connect all the bike electrics up to the first battery inc. the starter motor thick cable, but run that to the second battery negative post, then run another thick cable from the + to the starter soli and then soli to starter motor. This way the 2nd battery is only included in the circuit when starter is engaged and is isolated from everything else........ it won't be charged but it only gets used for a few seconds so a plug in charge every few weeks ain't a big drama! 

    Thanks. I was thinking about 24V system but was not sure how to do it. I will try it

  4. Does anyone have good ideas how to improve cranking. I am having problems with trigger signal when the battery is not fully charged. One long cranking drops the voltage and after that trigger signal is too messy to filter. Engine wont spin fast enough and every power stroke slows its speed.

    Starter motor is 5 years old. Should I go up with wire diameter? Starter motor overhaul?Ecu turns off all but fuel pump when cranking. Straight feed to the starter relay from the battery. Lighs off, new lithium battery with 240CCA...

  5. Do a box on the table where the battery fits. Cut a same size hole under the tank. Fill the tank with water and weld that thing. Did it once, it was painted tank and only the bottom of the tank needed some paint.

    • Like 1
  6. Want to keep my 7/13 weight low with a tight budget. I have a small and light 12v 3Ah battery and I was wondering will it be enough to crank my bike? It will be a track bike so ignition is only electrical thingy there.

     

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