Ok help needed here please
Ive not been able to start the bike since getting it
So far Ive put a new battery on it stripped and cleaned the carbs fresh fuel, new coil & plug Iv'e a very good spark
Just done a compression test and its very low almost no reading at all but I suspect I'm not doing something right,
Do these bikes have a decompression valve?
Any suggestions gratefully recieved TIA
XT660 3YF 1992 wont Start
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jibber
- Dashingly Handsome

- Posts: 1666
- Joined: Sat Jun 23, 2012 6:29 pm
- What Bike or Bikes Do You Own?: 2 1vj's, 2 3aj's none complete and a mountain of parts
- Previously Owned Bikes: Quite a few
- Location: Gloucester. UK
Re: XT660 3YF 1992 wont Start
Iirc its built into the cam sprocket.
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IANAGC
- No Gold Stars Yet

- Posts: 7
- Joined: Tue Oct 27, 2020 10:15 am
- What Bike or Bikes Do You Own?: Yamaha XT660 1991
Kawasaki S1C 1975 - Previously Owned Bikes: Yamaha TY 50M
Puch M50 Sport
Yamaha RD 250B
Suzuki RG125 Gamma
Honda VF750FD
Yamaha FZR 1000 Genesis
Kawasaki ZX9R Ninja
Suzuki DR650 - Location: UK
Re: XT660 3YF 1992 wont Start
is it servicable are they known to stick open?
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jibber
- Dashingly Handsome

- Posts: 1666
- Joined: Sat Jun 23, 2012 6:29 pm
- What Bike or Bikes Do You Own?: 2 1vj's, 2 3aj's none complete and a mountain of parts
- Previously Owned Bikes: Quite a few
- Location: Gloucester. UK
Re: XT660 3YF 1992 wont Start
Do a quick search I found a few results earlier