Still sticky Rev's

Post by **Miles** » Tue Sep 22, 2009 1:04 am

Well after re-building the engine, replacing the gasket's and the rings. I fired up the bike.

Unfortunatly I still have exactly the same problem's as I did before. I used one of those colourtune's to see if the right mixture would help but no matter which way I turn the air screw the flame colour doesn't change.
Therefore I can assume that my problems lies after the carb's

Is it possible that there's a crack in the enginge allowing air into the cylinders and this would explain the low compression.

RedexRobB · Post by **RedexRobB** » Tue Sep 22, 2009 7:47 am

have you replaced the inlet rubbers? Airbox sitting on the carbs properly?

Mad Phil · Post by **Mad Phil** » Tue Sep 22, 2009 8:03 am

You can try RTV silicon to seal the rubbers & i found that they do not run very well without the airbox, even for balancing it was far easier with the box on..

jackdim · Post by **jackdim** » Tue Sep 22, 2009 10:44 am

Miles wrote:Well after re-building the engine, replacing the gasket's and the rings. I fired up the bike.

Unfortunatly I still have exactly the same problem's as I did before. I used one of those colourtune's to see if the right mixture would help but no matter which way I turn the air screw the flame colour doesn't change.
Therefore I can assume that my problems lies after the carb's

Is it possible that there's a crack in the enginge allowing air into the cylinders and this would explain the low compression.

Were all cylinders reading low comp? If not, which ones were?

Mad Phil · Post by **Mad Phil** » Tue Sep 22, 2009 1:32 pm

could also be carbs out of balance holding the revs

RedexRobB · Post by **RedexRobB** » Tue Sep 22, 2009 6:38 pm

Mad Phil wrote:even for balancing it was far easier with the box on..

How did you manage that one?

Mad Phil · Post by **Mad Phil** » Tue Sep 22, 2009 7:37 pm

sorry cant let you into that secret as yet....

awaiting patent

Post by **Miles** » Sun Sep 27, 2009 7:43 pm

cylinders 1 - 3 were 90 psi
cylinders 2 - 4 were 105 psi

Is it possible that my ignition maybe advancing?

I did the resistance test on my IC and all the readings on A negative we're out but all the rest we're fine.

Maybe from being in the water it's shorted out?

Post by **Miles** » Mon Sep 28, 2009 9:36 pm

Right got it down to my mech. today, bad news the bore's are shagged.

I am now looking for a new engine.

Anyone know where I can get one?

RedexRobB · Post by **RedexRobB** » Mon Sep 28, 2009 10:21 pm

'falloffslowly' is your man, aka Baz - 07727 943464

You can discuss with him what you want, but he can sell you a running engine which he personally has serviced with a new head gasket, valve clearnaces and cam chain.

www.zxrworld.co.uk

Still sticky Rev's

Still sticky Rev's

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