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Rody what are the specs of the little hole in the crankshaft of the 928. Where the little shaft for the new roto start fits. I need depth and diameter thanks.
Posts: 4 | From: Detroit;Mi | Registered: Jun 2006
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Am trying to fit the rear cover onto a pull start crank I grounded off metal for the one bearing for it. Now I need to drill this hole for it to fit.
Posts: 4 | From: Detroit;Mi | Registered: Jun 2006
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If you are trying to fit part#01900-123(Rear Cover complete TM728/TM928 Rotostart Compatible) on the TM728, then you do not need to modify anything. On the flange(where is the one-way bearing) however there are 2 different sizes of slots, you must use the largest one.
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Rody I cut the crank to make it a non pullstart crank now I need to drill this hole to use the cover to make it a pullstart engine again.
Posts: 4 | From: Detroit;Mi | Registered: Jun 2006
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Then you need to drill a hole of 2.6x9.8mm, however in my point of view if you do this by hand then it will not be very precise and if you do not align the hole exactly in the center of the big-end then things might not turn round anymore.
Anyway, you do this at your own risk, it is something I cannot advice you or others to do.
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