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Discussion Starter · #1 ·
So I need to split my cases to fix a hairline crack due to impact, I plan on splitting and possibly jb welding from inside and out. I do understand how important prep is. I would not just jb the outside and feel comfortable. My final decision will be made after I get a look from the inside. My question can I remove the back without completely stripping the front as well. Here is a picture of where I am at and am wondering if I remove bolts should the case slide off at this stage or do I need to remove anything else.



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Discussion Starter · #2 ·
So I need to split my cases to fix a hairline crack due to impact, I plan on splitting and possibly jb welding from inside and out. I do understand how important prep is. I would not just jb the outside and feel comfortable. My final decision will be made after I get a look from the inside. My question can I remove the back without completely stripping the front as well. Here is a picture of where I am at and am wondering if I remove bolts should the case slide off at this stage or do I need to remove anything else.



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2008 rancher 420 fe


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Discussion Starter · #3 ·
Second question I have is it normal for this bearing to be loose in the collar, clutch lifter #8



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where is this crack ?, is it on the main case half ?. if it is ?, then you have to split it all apart, no way around this, spec if it's on or near the oil drain hole ?, as this is on the main case half.
 

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Second question I have is it normal for this bearing to be loose in the collar, clutch lifter #8



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yes, that bearing goes in and out of the collar, they are not a tight/press fit :).
 

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Just a mention... You may consider getting the case Tig welded as it's pretty much a full strip down of the engine. It's a proper job done then :)
 
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Just a mention... You may consider getting the case Tig welded as it's pretty much a full strip down of the engine. It's a proper job done then :)
although I will agree with you on tig welding the case ?, but !. not everyone knows or has access to a tig welder next door ?, not to mention, it won't come cheap by any means !..lol. but yes, you are correct. heck, even some one that does aluminum welding will work very well. had this issue pop up on my buds trx500FPE cases, he had a guy do some aluminum welding to build up the oil drain area, worked pretty good. again, you are correct, tig welding is the way to go.
 

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Just a mention... You may consider getting the case Tig welded as it's pretty much a full strip down of the engine. It's a proper job done then :)
although I will agree with you on tig welding the case ?, but !. not everyone knows or has access to a tig welder next door ?, not to mention, it won't come cheap by any means !..lol. but yes, you are correct. heck, even some one that does aluminum welding will work very well. had this issue pop up on my buds trx500FPE cases, he had a guy do some aluminum welding to build up the oil drain area, worked pretty good. again, you are correct, tig welding is the way to go.
Very true, I'm lucky that my Dad has a Tig welded and that the UK is so small the nearest guy with one can't be more than 50 miles away!
Aluminium can also be gas welded(Oxy Acetylene) and Mig welded, that could be another option for the OP.
 

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Discussion Starter · #9 ·
I did remove the one bolt in the top that definally went thru to the other half.


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Discussion Starter · #10 ·
I might mig weld it but have had good luck using jb if properly cleaned prep and used both sides. I have not ruled out a used case yet either. But I do need to get these split for inspection. I am nervous of the force I am using......with caution of course. I will look thru the manual but it has you strip every nut and bolt and most times it's not needed, just more items to get misplaced, I tend to screw as many bolts back in to assist with what goes where


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Discussion Starter · #11 ·
Second question I have is it normal for this bearing to be loose in the collar, clutch lifter #8






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yes, that bearing goes in and out of the collar, they are not a tight/press fit :).


A new one was $4 had to order it as I've never seen a bearing fit that loose but if not needed on the shelf it goes.


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Discussion Starter · #12 ·
So ordered used case, doing clutch discs and springs as there nearly steel on steel lol. Top end looks good for a bike with 16 000 Klm's or 10k miles on it, stretched for cash so it will go back together as is for now, timing chain was tight. Expected worse but don't know history on bike I have had it for 3 years.


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