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Old 12-28-2018, 10:33 PM
jbmurc jbmurc is offline
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Join Date: Dec 2018
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Quote:
Originally Posted by Harry View Post
Where are you based? I have a 400 undergoing surgery
New Zealand - I'm now confident the bottom end is fine and it was more so the previous owner having some old 91 fuel and just some detention and the alloy bash plate making engine noise louder

my last bike was a two-stroke so use to muck quieter engine noise ..

Engine Oil was very black old (useless previous owner !!!) have run an flushed using ATF trans field cleaned/replaced both filters ...

will do another Oil change in 500kms see how the oil looks hoping for pretty clean

I looked through the intake manifold and I see the opposite bore still had cross hatch bore makings so with only 6000kms on the clock pretty mint engine IMHO

biggest pieces were gear alloys .. overall bike is running ... clocking up some time working on the Gasgas(Glad I'm not paying for it) .. Carb stripped and cleaned now running A32 needle clip down to midpoint- 136 main jet 38 idle jet..

Gearing no good for 100km/h road cruising so just fitted 46 rear to match the 14 front giving me 6.5% higher top speed over the 14/49 combo it ran.(should bring 100km/h revs down to just under 6,000rpm)

just changing fork oil took out 750mls ... someone has played around with these stock conventional 45 Zorks ... nothing like the diagram ... twin springs 250mm plastic spacer at the top ?
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