Well the bike ran before I started out but I figured I needed to refresh it as it seemed low on compression. I rode it to my regular bike shop and told him to take a look. Well the piston was worn but worse was the con-rod had some play in it.
I left the bike there and told him to get on with it.
A week later I got a call to collect the bike. The shop had changed the con-rod and main bearings but was unable to find a replacement piston/ring set (this bike lives in Port DIckson Malaysia so it's not easy to get parts) so he re-installed the old piston. The bike runs better but compression is still poor and as a result its hard to get a decent idle and it starts poorly.
I checked at a few shops in Kuala Lumpur (the capital of Malaysia) and one guy had a used freshly re-bored cylinder with a 1.75 oversize piston. Well this was a step in the right direction so I bought it.
Its not too difficult to do a top-end swap on these bike
so I did it at home. All went well until I started to tighten the
exhaust bolts.... yep one of them had slipped.
I took
the cylinder block off again and installed a helicoil. I also installed a new original carburetor (NOS) which my buddy Kalai located in Muar, Johor.
Put everything back together kicked it a few times and .. hey it runs! Sounds way healthier than before! Idles
real well too!
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