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Cylinder Compression...
#8
(04-03-17, 07:55 PM)anutz link Wrote: Hi,

I have been having issues with the bike just not feeling like its got the power it should have....
It also seemed hard to start, always needs full choke and even after warming a little is easy to stall, unless its been ridden for a while and its red hot...
I have checked a few things, Carb Sync, all but one are spot on, cylinder 3 shows a little less reading than the rest, 20 less, so is an issue there
I also took the chance to measure the cylinder compression and get from 1-4 readings of 110, 100, 115, 102, so varied and well off what the service manual states.
Will be trying to pop some oil in the cylinders tommorow or Monday see what a re-test shows.
Engine has done 47K, and i had to replace the Water Pump and rear wheel bearing when i got it, not well looked after...
I also changed all exhaust studs and replaced the cylinder head gasked whilst in there, replaced spark plugs also.
Anyone any comments, do these readings seem well out or reasonable for a bike of this mileage/age
Anutz

Did you have the throttle opened full when doing the compression test and kept it spinning until the gauge did not go any further. Those figures are like ones you get with a closed throttle


The engine is pretty robust and a few have gone well past the 120000 mile mark.


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Messages In This Thread
Cylinder Compression... - by anutz - 04-03-17, 07:55 PM
Re: Cylinder Compression... - by ram - 04-03-17, 11:33 PM
Re: Cylinder Compression... - by anutz - 05-03-17, 12:18 AM
Re: Cylinder Compression... - by old son - 05-03-17, 06:49 AM
Re: Cylinder Compression... - by tommyardin - 05-03-17, 10:22 AM
Re: Cylinder Compression... - by tommyardin - 05-03-17, 10:41 AM
Re: Cylinder Compression... - by fazerscotty - 05-03-17, 10:42 AM
Re: Cylinder Compression... - by unfazed - 05-03-17, 12:19 PM
Re: Cylinder Compression... - by anutz - 05-03-17, 04:38 PM
Re: Cylinder Compression... - by unfazed - 05-03-17, 05:24 PM
Re: Cylinder Compression... - by anutz - 05-03-17, 06:18 PM
Re: Cylinder Compression... - by anutz - 05-03-17, 06:37 PM
Re: Cylinder Compression... - by fazerscotty - 05-03-17, 06:59 PM
Re: Cylinder Compression... - by anutz - 05-03-17, 08:12 PM
Re: Cylinder Compression... - by anutz - 05-03-17, 09:22 PM
Re: Cylinder Compression... - by anutz - 05-03-17, 09:24 PM
Re: Cylinder Compression... - by Graham53 - 05-03-17, 10:30 PM
Re: Cylinder Compression... - by tommyardin - 06-03-17, 12:31 AM
Re: Cylinder Compression... - by sirgalahad3 - 06-03-17, 05:15 AM
Re: Cylinder Compression... - by red98 - 06-03-17, 07:55 AM
Re: Cylinder Compression... - by anutz - 06-03-17, 10:05 AM
Re: Cylinder Compression... - by tommyardin - 06-03-17, 10:26 AM
Re: Cylinder Compression... - by tommyardin - 06-03-17, 10:43 AM
Re: Cylinder Compression... - by tommyardin - 06-03-17, 10:51 AM
Re: Cylinder Compression... - by anutz - 07-03-17, 09:27 PM
Re: Cylinder Compression... - by anutz - 07-03-17, 10:55 PM
Re: Cylinder Compression... - by ram - 08-03-17, 10:49 AM
Re: Cylinder Compression... - by unfazed - 08-03-17, 11:54 AM
Re: Cylinder Compression... - by limax2 - 08-03-17, 02:54 PM
Re: Cylinder Compression... - by anutz - 16-04-17, 02:16 PM
Re: Cylinder Compression... - by anutz - 29-04-17, 07:02 PM
Re: Cylinder Compression... - by ram - 29-04-17, 07:19 PM
Re: Cylinder Compression... - by anutz - 29-04-17, 07:22 PM
Re: Cylinder Compression... - by anutz - 29-04-17, 07:48 PM
Re: Cylinder Compression... - by tommyardin - 29-04-17, 11:14 PM
Re: Cylinder Compression... - by tommyardin - 29-04-17, 11:35 PM
Re: Cylinder Compression... - by red98 - 30-04-17, 08:01 AM
Re: Cylinder Compression... - by ram - 30-04-17, 08:43 AM
Re: Cylinder Compression... - by anutz - 30-04-17, 09:20 AM
Re: Cylinder Compression... - by Fazerider - 30-04-17, 09:30 AM
Re: Cylinder Compression... - by anutz - 01-05-17, 06:50 PM
Re: Cylinder Compression... - by tommyardin - 04-05-17, 11:11 PM
Re: Cylinder Compression... - by anutz - 05-05-17, 07:40 AM
Re: Cylinder Compression... - by anutz - 28-05-17, 06:48 PM
Re: Cylinder Compression... - by PieEater - 28-05-17, 07:00 PM
Re: Cylinder Compression... - by anutz - 28-05-17, 07:23 PM
Re: Cylinder Compression... - by unfazed - 28-05-17, 10:22 PM
Re: Cylinder Compression... - by anutz - 01-06-17, 07:18 PM
Re: Cylinder Compression... - by anutz - 02-06-17, 12:26 PM

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