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ST 90 Muffler Bolts

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ST 90 Muffler Bolts

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Old 09-22-2005, 05:35 PM
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flyhi
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Default ST 90 Muffler Bolts

What is the size of the muffler bolts on the ST 90 2 stroke, made in Italy, think it's the K model, older one, not newer G model. I think it may be 3.5mm but not sure. many thanks
Old 09-24-2005, 03:01 PM
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sbd-5
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Default RE: ST 90 Muffler Bolts

if i remember correctly super tigre screw/bolts are a different thread all together neither metric or us standard but british whitworth threads.this was on the older engines made in italy may have changed to metric when made in china.
Old 09-24-2005, 05:34 PM
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daveopam
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Default RE: ST 90 Muffler Bolts

I have a few and ctill don't know. That's because I drill all the way through mine and use a nut and bolt. If the nut is on the engine end a few cooling fins need to be shortend.



david

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