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#1 CYLINDER REPLACED AND NOW NO COMPRESSION !
- Join Date
- Mar 2016
- Location
- manchester
- Posts
- 6
04-10-2016, 03:27 PMI JUST REPLACED MY CYLINDER ON MY PULSE ADRENALINE BECAUSE MANIFOLD WAS STUCK AND CHANGED PISTON WHILE I WAS AT IT AND NOW I LITTERALLY HAVE NO COMPRESSION, IM GETTING OFDD LITTLE BANGS HERE AND THERE BUT THATS IT, COULD THIS BE BECAUSE I NEED NEW GASKETS AS IM AWARE THE BOTTOM IS LEAKING OIL !
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#2 Re: CYLINDER REPLACED AND NOW NO COMPRESSION !04-10-2016, 04:28 PM
Valve clearances (or lack of it)?
Ask me nothing - I DO NOT speak english. Really...
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#3 Re: CYLINDER REPLACED AND NOW NO COMPRESSION !
- Join Date
- Mar 2016
- Location
- manchester
- Posts
- 6
04-10-2016, 04:47 PMwhen you take the head shell of the engine, the rods are attached to that and dont need taking apart so there is nothing i would of done that affected clearance,
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#4 Re: CYLINDER REPLACED AND NOW NO COMPRESSION !04-10-2016, 05:20 PM
So, if we dismiss straight away compression blow-by (I mean, you got cylinder and matching piston?), and also valve clearances... Only two things crossed my mind - broken piston rings or something was happened to valve face or seat.
Ask me nothing - I DO NOT speak english. Really...
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#5 Re: CYLINDER REPLACED AND NOW NO COMPRESSION !
- Join Date
- Mar 2016
- Location
- manchester
- Posts
- 6
04-10-2016, 05:49 PMye i swapped piston out of the exact same bike, also the bike started before i took it apart and now compression is just gone, one thing i do know is, i left the cylinder head out in the rain so valves would of get wet, but weren't wet when i attached it all back together
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#6 Re: CYLINDER REPLACED AND NOW NO COMPRESSION !04-10-2016, 06:24 PM
What to say?
Ask me nothing - I DO NOT speak english. Really...
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#7 Re: CYLINDER REPLACED AND NOW NO COMPRESSION !
- Join Date
- Apr 2016
- Location
- Jiading
- Posts
- 4
04-21-2016, 09:07 AMHi,
Some things to check and think about.
Correct cylinder fitted, correct gaskets used, correct piston and piston rings ok and fitted correctly correct orientation correct gap correct order this assuming more than one ring , valves working IE not sticking open, spark plug fitted and tight, if these things are correct then its a puzzle you should have compression. If all is correct and you have the timing correct when you turn the engine over there should be compression. let us know how you get on.
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#8 Re: CYLINDER REPLACED AND NOW NO COMPRESSION !
- Join Date
- Mar 2016
- Location
- manchester
- Posts
- 6
04-21-2016, 09:15 AMIt was the spark plug mate it had a brand new one in put the old one in and fired up first time lol
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#9 Re: CYLINDER REPLACED AND NOW NO COMPRESSION !
- Join Date
- Apr 2016
- Location
- Jiading
- Posts
- 4
04-21-2016, 09:23 AMWell that's great news. your compression must have been fine just a duff plug, Ive had a couple of new plugs over the years that are no use.
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