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Unread 09-03-2015, 09:14 AM
Nige1100s Nige1100s is offline
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Join Date: Mar 2010
Location: England
Posts: 43
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I had this problem. They are m5 x 0.9mm thread. This was the Japanese industry standard up to about 1968 when they changed to m5 x 0.8 which Honda wrongly list as a replacement. There is a UK thread called 1 BA which I ended up using. The are used in Amal twist grips used on most Brit Bikes. I have also seen m5 x 0.9 used on modern Chinese scooters so you might have some luck there.
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