Damaged crankcase with pictures -- FIXED

TURBO200R4 · Sep 11, 2020

r3badboy said:
Interesting going back over the comments of welding cases...
I bought this engine out of a crashed bike & as you can see the gear linkage was torn off the casing
The bike 2016 roadster had only 1600k's on it when crashed (mite as well say new) so got it for the right price & was originally going to use it for a rebuild on my 06 when needed some day.
Anyhow I thought I'll get someone to have a go at welding the broken bit back on...dosen't look pretty but worth a crack (hmmm hopefully it doesn't) & see how we go.
Putting engine back together now & will update down the track if all successful. ✌

hopefully the linkage will line up and not leak.

TURBO200R4 · Sep 11, 2020

ps
if it done that to the case the shaft is probably bent

r3badboy · Sep 11, 2020

TURBO200R4 said:
ps
if it done
Oooops had to edit & wipe part of your reply ✌

Yes your right bent selector shaft, under $200 for a new one & needed the fork selector as well. Not too costly of an exercise really.
Needed a hone to get needle rollers in selector shaft hole. Heat from welding slightly distorted it.
All gears selecting ok
Plan is to get it running on the bench for the real test.
Will update at that stage

TURBO200R4 · Sep 11, 2020

be careful when revving it don't roll off the bench

r3badboy · Sep 11, 2020

TURBO200R4 said:
be careful when revving it don't roll off the bench

I'm going to run it at idle a few times with some cheap oil & change the oil & filter before I do that....then I'll strap the bugger down

sonny · Sep 11, 2020

r3badboy said:
Interesting going back over the comments of welding cases...
I bought this engine out of a crashed bike & as you can see the gear linkage was torn off the casing
The bike 2016 roadster had only 1600k's on it when crashed (mite as well say new) so got it for the right price & was originally going to use it for a rebuild on my 06 when needed some day.
Anyhow I thought I'll get someone to have a go at welding the broken bit back on...dosen't look pretty but worth a crack (hmmm hopefully it doesn't) & see how we go.
Putting engine back together now & will update down the track if all successful. ✌

Welder did a good job considering what he had to work with.

r3badboy · Sep 11, 2020

sonny said:
Welder did a good job considering what he had to work with.

Yes...It surprised me when I first saw it , but all things considered it's probably a usable engine now

sonny · Sep 11, 2020

Trash cast is very hard to weld. Watch for cracks. Who ever did the job did use a good method and Technic. The guy knew what he was up against. Good luck with the rest of the work.

Rocket Scientist · Sep 11, 2020

I'm new to this thread. I'm trying to understand what broke it in the first place ? I always leave my standard down when strapped into the trailer, figuring if the right hand straps failed it might at least stay upright. Is that what broke this one off ? I don't see how that's possible. If you pulled the straps down to far it wouldn't break the standard, the bike would just start listing to the right. Am I missing something here ?

snicrep · Sep 11, 2020

its troubling to me that a "top of the line" triumph would be made with "trash" castings.

Damaged crankcase with pictures -- FIXED

TURBO200R4

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Damaged crankcase with pictures -- FIXED

stand up straight and grab the world by the a$$

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Living Legend

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