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Post by jqmce on Dec 27, 2011 18:52:54 GMT -5
So here she is. The project. So far i have torn out the engine and cleaned flat out like a lizard drinken for a few days and then... 0.5 over rings. carb kits from Andre. went up from 92.5 to 95 jet. not sure if this was wise but ill find out soon enough. new gaskets and plugs. Cleaned and checked oil pump and check valves. all good. Cleaned carbs with one of those el-cheapo ultrasonic baths....and you know what for 70$ and 15min each carb it does a pretty darn good job. see pics before and after. i gave them a quick spray with varsol first and then in the bath. Too chicken shit to split the lower case but she feels good. I'm in two minds about this?? Heck i love a new project. should be done by late spring i reckon. i'm going to keep her close to stock but with a visual makeover... i think. Sorry for the crap photos taken on cell phone. Will keep the updates going. Cheers.     |
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Post by Curtis on Dec 27, 2011 20:33:51 GMT -5
Split it, you can't properly check transmission shift forks without it, and to be on the safe side you might as well do crank seals.... its pretty safe insurance and you won't be riding it right now anyways its snowing like a mofo....
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Post by zambia on Dec 27, 2011 21:45:50 GMT -5
I agree with Curtis, split the case and have a peek. I don't think every crank needs a rebuild, but outer seals are cheap and pulling the crank to assess the condition of the inner seals and bearings and transmission ... It's cheap insurance!
Carbs look great...did you cut the head fins? I have an H2 done like that.
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Post by bake on Dec 27, 2011 23:01:06 GMT -5
They are pretty east to take apart and reassemble, a bad seal could really ruin things, besides look how much time you have before spring.  |
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Post by bolly on Dec 28, 2011 0:32:25 GMT -5
agreed with all the above! split em!!
I did my first triple motor last winter, slightly tricky, but not overly difficult now that I think back on it!
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Post by JA-Moo on Dec 28, 2011 0:56:40 GMT -5
Do a pressure/vacuum test first. That will give you an idea of the seals. But then again, they are still usually 40 years old. Then you have the tranny to look at, as they get beat pretty bad. If you are going to keep the bike, might as well do it now while the motor is out.
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Post by jqmce on Dec 28, 2011 8:41:35 GMT -5
Ok, ok, ok. You have me convinced. I will split the crank case and take a peek. I'm fairly sure the PO had it done before as the sealant does not look original. This could be a really good thing or a really really bad thing depending on who it was. Apart from the obvious like transmission teeth, shift forks and seals what are some of the other things to keep an eye out for? Zambia, No i did not cut the fin. I think the PO or their mechanic must have done it due miss handling (cracked or broken fin)...... I'm contemplating cutting the other side to match or replacing the head to match the LHS. Thanks for the input guys. Jules. |
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Post by jqmce on Jan 11, 2012 7:30:02 GMT -5
I was called to a job down south last week so didn't get much done but i did manage to split the cases yesterday to have a look and see what she needs. I was nervous to say the least having never split a triple case before but I'm glad i did, so thanks for the advice. It looks pretty bad for the selector forks all show signs of wear and i believe some grinding / modifying from previous work. What are my options here? Replace with expensive NOS or live with it or repair existing? I am curious as to what you guys do in this situation. Definitely crank end seals and I'm contemplating internal crank seals also. I can also see a little bearing slip on the crank end bearings....I think some high temp bearing retainer loctite should solve that one? Cheers Jules        |
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Post by Soupdragon1957 on Jan 11, 2012 7:48:16 GMT -5
TripleTripleNut on this board is your man to repair your selector forks.
SoupD.
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Post by Deleted on Jan 11, 2012 10:10:49 GMT -5
I can also see a little bearing slip on the crank end bearings....I think some high temp bearing retainer loctite should solve that one? Here we go again!! Done correctly this is a must, done incorrectly and catastrophe awaits... see previous threads . I would |
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Post by Walms on Jan 11, 2012 11:41:30 GMT -5
I scrapped a set of cases because of a spun bearing...  bought the bike only for the motor... |
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Post by JA-Moo on Jan 11, 2012 13:00:37 GMT -5
With the forks that bad, I'm better the gear dogs are shot too......
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Post by jqmce on Jan 11, 2012 16:56:16 GMT -5
I'm pretty confident i can fix the bearing slip, its the gearbox I'm starting to really wonder if its worth the repair effort or if i should i be asking around about a decent second hand set complete......What are your thoughts guys? What kind of longevity do have people gotten out of repaired forks?
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Post by Walms on Jan 11, 2012 17:08:58 GMT -5
12k on my tnut repaired forks so far...
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Post by North on Jan 11, 2012 18:00:42 GMT -5
12k on my tnut repaired forks so far... +100 to what Walms said... I didn't think twice about buying the spare set I have from TTNut... Don's work is top notch. Regarding the use of locktite on these fits we've beat that horse already as Donny already alluded too ;D ;D |
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bought the bike only for the motor...