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Non Starter After Washing

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After playing out the other day I washed my fantic and now it won't start! It's had a few days to dry any ideas?

Cheers! Tom.

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  • I fitted a new coil, NGK cap and plug and it kicked up instantly first time! im over the moon! it cant have been anything to do with washing it after all! thanks everyone for your help!

  • I would start with the basics. Is fuel getting to the carb? Check the fuel tap, disconnect the fuel pipe form the carb hold the end over a bowl and turn the tap on. Does fuel come out? If not check th

  • Have you checked that you’re getting fuel as far as the needle valve? Problems I’ve encountered in the past have included, inlet filter inside the fuel tank being blocked, fuel tap being blocked, fue

:agreed: check inside plug cap as well if its old ,I use electrical clear grease works a treat, make the cap pull off so much better

  • Author

not had time to take plug out but had a few kicks on it today and it kept nearly firing, iv got a feeling its the kill switch and it is is drying out. ill avoid that area next time  :D

You didn't bung the silencer when you washed it and have left it in?  ;)

  • Author

You didn't bung the silencer when you washed it and have left it in?  ;)

 

hi magger no i didn't bung the exhaust

  • Author

still not starting! the plug is dry inside too. is there any way to bypass the kill switch?

Depends on how your ignition is setup. If the kill switch is a make contact to kill the engine just unplug it. This is how my 309 is setup. If it's a break contact to kill then you need to unplug the switch and fit a jumper wire between the terminals on the loom. 

 

Dry plug sounds more like a fuel problem to me. 

  • 2 weeks later...
  • Author

Well still no luck! It run out of fuel just before this happened too do you think this could be related? Should it just be a case of filling it up and it should start?

When you said the plug was dry I thought it sounded more like a fuel problem. 

Some more fuel might sort it. It could be that in the washing process you've accidentally got some dirt of water or both in the carb. I'd start with fuel and if that doesn't fix it take the carb off and give it a good clean out. 

  • Author

When you said the plug was dry I thought it sounded more like a fuel problem.

Some more fuel might sort it. It could be that in the washing process you've accidentally got some dirt of water or both in the carb. I'd start with fuel and if that doesn't fix it take the carb off and give it a good clean out.

Cheers I'll have a look soon and update.

Thank you!

  • Author

well I removed and stripped the carb and it was spotless, when I put it back together it fired perfect and run for 5 seconds and as I tried revving it it made borping noises and died - it was running on carb cleaner fumes! 

 

This shows its sparking ok so must be as sparky125 suggested it sounds as if it definitely is a fuelling issue?

 

im stumped now, any ideas what it could be?

I would start with the basics. Is fuel getting to the carb? Check the fuel tap, disconnect the fuel pipe form the carb hold the end over a bowl and turn the tap on. Does fuel come out? If not check the pipe and the fuel tap itself. There may well be a filter on the tap inside the tank this could be blocked. If fuel is coming out the pipe at a good rate then check the float bowl again. Is the float working properly, or is it sticking.

You need to start at the beginning, the tank and work from there until you find where the fuel is not getting to. 

Assuming you have a spark at the plug its likely to be water getting into the carb, either from the airfilter / airbox or tank. Just a small amount of water in either can repeatedly get drawn into the carb and block the starting and slow running jets or passages.

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