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Twins Technical Talk Technical Talk for Hinckley Triumph Twins: Bonneville, T100, Speedmaster, America, Thruxton, and Scrambler.

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Old 03-06-2012, 10:31 PM   #21 (permalink)
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By the time you buy a new cover and have the case repaired...I'd find an 865 and swap out. In the process you gain a little cubes.
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Old 03-07-2012, 02:35 PM   #22 (permalink)
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I really wouldn't mess with welding the crankcase.
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Old 03-07-2012, 03:48 PM   #23 (permalink)
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Quote:
Originally Posted by ScramblerKidd View Post
By the time you buy a new cover and have the case repaired...I'd find an 865 and swap out. In the process you gain a little cubes.
And swap the 790 cams into it... then you have the best of both (OEM) worlds!

I know it seems like a lot of expense... but overall, buying a clean, low mileage used engine from Pinwall is the best option... the freight can be a bit of a bugger... but you get an easy swap out fix and can "buy back" years and miles by buying a newer, lower mileage engine than is in there now...
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Old 05-11-2012, 03:59 PM   #24 (permalink)
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Problem resolved

Today I fixed the problem with a pin through the shaft that fits the starter gear. I got a used clutch cover from Pinwall for $60. I still drilled the cover 1/4 inch. The drilled hole in the crankcase is about 3/8 inch. I've started the bike a dozen times and it sounds strong.

Thanks, very much, everyone for the help.

Regards,
Bonavent
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Old 05-11-2012, 09:38 PM   #25 (permalink)
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Thanks Max

Thanks Max. Your PM file is full.
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Old 05-12-2012, 10:13 AM   #26 (permalink)
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Kudos for getting it fixed
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Old 05-12-2012, 05:15 PM   #27 (permalink)
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Good deal hope it last for you man.
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Old 11-09-2012, 04:18 PM   #28 (permalink)
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Mine has broken too... it's the only thing that made me reluctant to buy a twin in the first place (apart from the coils, and igniter, which have all had to be replaced).

I'm planning to attempt to fix it with the drill bit mod tomorrow.
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