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You might add what Gas Gas. Also the fan or water pump could cause this along with an air leak from a bad main seal on the mag side.
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READ my reply, simplistic method there is.
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It is supposed to be a hallow bolt. So easy enough to drill the head off and remove the clutch. Then the bolt should come out fairly easily.
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Since your up in years, you might not want to reply to people that might have passed on. The guy with the 9 year old post has not been seen in 7 years. And for the most part these suggestions are 4 the 2 stroke clutch. The 4 t is a different animal. Also all of the newer clutches have improved dramatically since Dan started this thread. I do not understand people working on new bikes, when they should be out riding them.
I too might of wrenched more than once on a bike through my 50 years of riding.
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It`s much easier to leave the cylinder on the piston while removing these parts.
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You still have to remove the clutch to see the idler gear too.
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I have been riding trials for 48 years and cannot remember an ambulance ever needed except in 2006 a rider dropped dead at a vintage event riding between sections. He had a massive heart attack and was dead before he hit the ground, That rider was a Doctor that we stated was the clubs medical team. Sure we have had broken bones, torn acl`s and several bad cuts, but nothing too bad.
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Americans always use too much of everything! Its a trials bike not a screamer.
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I would not do anything until you drain the tank and put fresh fuel. I would recommend non ethanol, as you never know what will happen to the tank. K2 is fine, but it`s easier to find Super M. A 10 - 30 or 5 - 30 non-synthetic would be better. I`ve always used ATF, but that`s me. I would just ride it and see if all the smoke is just build up. Way before I would touch the engine. I have an 1986 and it`s still all original. I would just enjoy riding it if the smoke is not the transmission oil.
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Your giving wrong info.
https://www.splatshop.co.uk/csp-p2g-precision-to-grip-complete-clutch-beta-evo.html
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These are two different issues. The washers under the spring bolts are to make pull easier. I use softer springs as I need the easiest clutch action possible. I cut off the tendon in my clutch finger a few years back. The shims are for taking up the slop, so the clutch cleanly breaks free. Beta has had this issue for decades and not all bikes need it. Polishing the plates and removing the glue is also two different actions. One for sticking plates from oil and one for better movement.
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Also trials at the top of the sport is not competitive anymore. Sure they all try hard. But it is a battle for third and fourth place only. Which is very boring.
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Well are you sure you are burning transmission oil? Of course it is old enough to do this. But we have several of these around that are still original engine wise. I assume you know parts are getting very hard to find.
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Yeah, we get that. Montesa numbers were confusing enough in the current year let alone 40 years ago. That is a great looking machine, but in 1980 all Montesa`s had the unique sub frame. But who knows as many things happen through the years with mix matched parts. Good luck on the shifting mechanism as they are a pain.
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https://commons.wikimedia.org/wiki/File:Montesa_Cota_349_1980_Ulf_Karlson_a.JPG
Your bikes at least an `83, a picture says a thousand words.
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Actually if you have it as straight as possible and it does not rub the cases, the halves will balance themselves out. Welding them and they cannot self correct. But what do I know, I learned it from an old flat tracker. Never had an issue as long as you are patient.
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By the way your bike looks more like an 84 or 85.
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Actually you got it from my posts, Dan prefers to waste hours polishing.
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I loved my`96, especially since a guy traded me a 60 day old bike for my `95. I got a current bike just cuz he thought it was pumpkin colors. Oh, my `92 was one of the favorite bikes through the years. But it did have a complete WES tail pipe which killed some of the color.
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We never lost riding areas. Just 4 events have been canceled locally so far. I have not ridden other than home. No reason to risk a chance encounter along the way.
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The "96 was a great bike. During the 90" s nose wheelies were the way to turn. THE '96 was also the ugliest Beta color scheme ever. Enjoy the bike.
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You have to get all the air out by pumping the rod.
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By the way, pre entry for the 2020 UTE CUP started on 5/1/2020.
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Well, it`s better to cut it too long and cut again. When a chain is cut it is actually a link and a half.
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The tensioner won`t be the problem. The counter shaft can be a hard one. My old 348 took a lot of heat before it popped off.
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