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Cracked casing

Posted: Thu Oct 18, 2018 6:22 pm
by garry inglis
Whent for the back brake and nothing so I thought I'd investigate and took the hub off and gearbox oil everywhere so cleans it up and could see oil coming out the crack so I've ordered a new casing and will rebuild it and get this welded up ImageImageImageImageImageImage

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Re: Cracked casing

Posted: Thu Oct 18, 2018 10:59 pm
by johnny650
bad luck matey... great images though. That crack hardly looks large enough to leak so much oil does it ... What caused the crack do you think ..? was it the stud being overtightened or pressing the bearing in ?

Re: Cracked casing

Posted: Fri Oct 19, 2018 5:30 am
by garry inglis
It must be but it's done 3000 miles no problems the one in the casing I think I done mounting up my decking

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Re: Cracked casing

Posted: Fri Oct 19, 2018 5:48 am
by garry inglis
While the engine out I've fitted grub screws into the offset cones to stop them turning Image

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Re: Cracked casing

Posted: Fri Oct 19, 2018 8:40 am
by holty
have you got someone sorted to weld your case up garry, i would recomend tony at ajs in hull, he did all the welding on my rotax does a first class job

Re: Cracked casing

Posted: Fri Oct 19, 2018 10:31 am
by garry inglis
Yes I have Steve but if it doesn't come off I'll let you no thanks

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Re: Cracked casing

Posted: Fri Oct 19, 2018 12:23 pm
by johnny650
offset cones great ide.....never thought about them gradually turning though . I did think of fitting some to my special but it looks like you only achieve 3mm offset which doesn't sound like much. Did you find them worth fitting ?

Re: Cracked casing

Posted: Fri Oct 19, 2018 12:53 pm
by garry inglis
Yes definitely otherwise you have to By an aftermarket reed and manifold like mb £160

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Re: Cracked casing

Posted: Fri Oct 19, 2018 4:33 pm
by garry inglis
New casing turned up from Cardiff scooters there getting hard to get hold of now started by cleaning it up then fit new rear bearing and oil seal then new ferodo shoes will add pictures as I build it upImageImage

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Re: Cracked casing

Posted: Fri Oct 19, 2018 7:33 pm
by garry inglis
Started on matching transfer ports to spigot and casing matched 2mm base packer to barrel transfer ports then fit to casing ImageImageImageImageImageImage

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