Engine case no is 5T 05096 , therefore it should be 1957 , too.What year generator engine. ? (I do not know if the rigid engine is the same as the swing arm engine in those measurements ? maybe only the primary cover length is different)
My 1957 TR6 engine is stripped down to have the crankshaft ground, if the same I could get those measurements with the mill DRO.
My cases are damaged at the centre so I machined an insert to fit the bearing bore so I could clock the centre.
It reminds me I need to make some kind of oil seal holder as I have the belt drive to fit.
The cylinder top was clocked as level.
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The bearing centre is Zero.
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Some of threads need some attention, perhaps the same previous owner worked their magic here also.
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Click for Full Size.
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Eddie, thank you for the comment, but i have already a oil seal connversion.Welding a machined ring to the case would be my preferred option (and what I’ve done before) as it adds considerable strength to the most stressed part of the (very old) case.
However, if welding ain’t yer thang, this might inspire:
TRIUMPH PRE-UNIT DRIVE SIDE OIL SEAL CONVERSION | eBay
Using our own CNC Milling machine we re-machine the worn chain case face and bearing seat face on the drive side so both are flat. We then machine the hole bigger to allow the oil to drain back through the bearing.www.ebay.co.uk
I was answering TW...Eddie, thank you for the comment, but i have already a oil seal connversion.
Time Warp, many many thanks for what you did for me !!!
I am not sure.... The angle between the 3 holes is 90 deg ?
There are helicoils fitted in my engine case to 'repair' those threads.
Welding a machined ring to the case would be my preferred option (and what I’ve done before) as it adds considerable strength to the most stressed part of the (very old) case.
However, if welding ain’t yer thang, this might inspire:
TRIUMPH PRE-UNIT DRIVE SIDE OIL SEAL CONVERSION | eBay
Using our own CNC Milling machine we re-machine the worn chain case face and bearing seat face on the drive side so both are flat. We then machine the hole bigger to allow the oil to drain back through the bearing.www.ebay.co.uk
Yeah it looks a bit OTT !Yes I will make something like that. perhaps not as robust.
Time Warp,It is close to 90 deg based off the cylinder face as level so holes rotated slightly.
The bottom hole is off a little but that one had a Helicoil in my engine case, I will try a good inner primary cover to see.
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