Compression

jmac · Post by **jmac** » Fri Oct 09, 2015 6:23 pm

I've got the paraffin and the zippo ready, but before it gets a Viking funeral I'll give it one more chance. The book says 150 psi. The reading says just under 50psi. This heap has fought me at every stage of the restore'n. Advice on my options will be greatly appreciated.

Nicky Dodds · Post by **Nicky Dodds** » Fri Oct 09, 2015 6:30 pm

Which bike is this on john?

callyboy · Post by **callyboy** » Fri Oct 09, 2015 7:27 pm

50

You sure the tester works John? try it on a known good one first.

If your only getting 50 i would start by sticking a few squirts of oil down the plug and then see what that does.

Pete

stockcar · Post by **stockcar** » Fri Oct 09, 2015 7:29 pm

if 50psi is a pukka reading you have serious piston or valve issues......

sparki · Post by **sparki** » Sat Oct 10, 2015 10:16 am

if it hasnt run for a Wwhile stuck rings maybe? stick some diesel or wd40 down the bores and leave it a day to do its thing... check again

jmac · Post by **jmac** » Sun Oct 11, 2015 6:18 pm

It's an S1 that has been stool for a week with a mixture of oil and petrol in the top of the cylinders. Admittingly I've only tested it with a hand held car comp tester, but I thought it would be a bit higher. I'll take it to a bike shop for a professional check but I'm not confident. Do you think I'll get away with a set of rings or look for another engine. I've put too much into it to walk away nor. Cheers John.

Nicky Dodds · Post by **Nicky Dodds** » Sun Oct 11, 2015 6:28 pm

Should never have sold my S1....loved that bike.
Where the hell are you finding all these projects from?
Well jealous!

jmac · Post by **jmac** » Sun Oct 11, 2015 6:30 pm

jmac wrote:It's an S1 that has been stool for a week with a mixture of oil and petrol in the top of the cylinders. Admittingly I've only tested it with a hand held car comp tester, but I thought it would be a bit higher. I'll take it to a bike shop for a professional check but I'm not confident. Do you think I'll get away with a set of rings or look for another engine. I've put too much into it to walk away nor. Cheers John.

Is it bollocks an s1 It's the pop-up.............Nurse...is it time for my tablets?

Nicky Dodds · Post by **Nicky Dodds** » Sun Oct 11, 2015 6:35 pm

You should be my next door neighbour lol
With johnr on the other side and cubeconn over the road

Uncle Bob · Post by **Uncle Bob** » Sun Oct 11, 2015 7:10 pm

Nicky Dodds wrote:You should be my next door neighbour lol
With johnr on the other side and cubeconn over the road

Katana Owners Club U.K.

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