Low compression on XTZ750

Sgt Bilco · Jan 31, 2009

Just bought a dog (thanks fleabay :blast

) of an XTZ750 and it doesn`t run too well. Rest of it is OK though

Apparently, there is no compression in one of the cylinders. Can`t really afford to let the local garage loose on it so is it a big job to do and what is a likely cause?

I`m reasonably happy to rip the heads off and have a look as long as I have an idea what I`m looking for.

Any help appreciated.

cookie · Jan 31, 2009

it's either rings/bores or valves.

measure compression as normal. then squirt a bit oil down the plughole. retest. if reading is higher, it's the bores sealing better, if same, it's valves.

Vern · Jan 31, 2009

Get it up here and disect it good and proper,then I'll give you a fiver fo it :bounce1

Sgt Bilco · Jan 31, 2009

Vern said:
Get it up here and disect it good and proper,then I'll give you a fiver fo it

Cnut

I may just do that and at least thats double what someone else offered :augie

Timpo · Jan 31, 2009

My money is on the rings being shot, so rebore and two pistons will see it right...... or a cheap 850 lump.....

T.

vilguy · Feb 1, 2009

How many miles is on it?

todd5774 · Feb 1, 2009

Take a trip over to www.xtz750.com plenty of very knowledgeable peps over there.

Low compression on XTZ750

Sgt Bilco

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Vern

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