ross05
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 posted on 10/11/13 at 07:16 PM |
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slight misfire
I could do with some help sorting a misfire !!
Engine;
2ltr zetec black top with pr 45 dcoe carbs,engine has done only 1500 miles approx. and carbs are a few months old,so all in good condition.Contolled
by omex 200.
Symptoms;
Tickover is fine and stable/smooth,rev the engine also smooth.However anything over around 2500rpm on a steady throttle ie cruising at 50 60 plus mph
and the engine feels hesitant/slight misfire/and a bit rough.If you boot it it's fine until you throttle back and cruise.
It is also drinking much more fuel !!
No 1 plug looks a bit black and no2 very slight,no3 and 4 look brownish !!
any thoughts on what could be causing this would be greatly appreciated.I don't have RR facility anywhere around me.
anybody had any thing similar??
cheers.
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madteg
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| posted on 10/11/13 at 10:09 PM |
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Are the carbs balanced and set up correctly.
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ross05
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| posted on 10/11/13 at 10:14 PM |
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misfire
yes I think,however will check they are balanced again tomorrow.This just suddenly started a couple of weeks ago out of the blue !!Wondered if it
could be a lead or plug,or possibly bit of crap in the front carb.
Just looking for things too try before pulling the carbs to bits..
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madteg
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| posted on 10/11/13 at 10:30 PM |
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Could also be coil pack. I would just change the lot.
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ross05
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| posted on 11/11/13 at 09:04 AM |
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misfire
Thanks guys,I will have a play with her today.
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