feetupsbetter

Is it not just a standard spring pin/spring cotter pin, sometimes called a roll pin ? (Hollow tubular pin made from spring steel with a split down its length allowing for it to be a spring fit through the hole in the shaft & gear). If it is then it should be easy to source from an engineers suppliers just by specifying diameter & length. And it’ll be cheaper than the price loaded brand labelled item.

Hi just replied to your previous post with a bit of general information before I saw this one. The parts book is what I had originally, don’t think there’s much else out there. You can see the chain tubes on there and the tank/seat bulges, but that book shows a full width hub which I think were the earlier models. The clutch mechanism was a bit suspect in that the little pawl 2863.106 was made of poor material and its square hole wasn’t a very accurate fit on the bottom of the operating lever shaft 3863.081. Both the square on the shaft and the hole seemed to wear easily along with the finger end of the pawl. A tiny amount of wear in any of that means pretty rubbish clutch operation.

Oh and it would have had the traditional montesa feature of plastic tubes for the chain to run in which floated on a bracket mounted on the rear spindle. It would be nice to see more photos, they were a decent bike really, underrated in my opinion, apart from the brakes which like most bikes at the time just stopped being brakes as soon as you got them wet !

Hi, I’m not certain but looks like you might possibly have a 200 ‘C’ model from 83. I had one back in the day. I think a couple of noticeable features of that model were half width front hub which I can’t see on your photo, and they also had a small flair/bulge at the rear bottom edge of the tank unit which smoothed over the top rear shock mounts but that might have been cut off if they’d got damaged or cracked over the years. I can see you’re missing the air box & chain tensioner and also the rubber straps which pull the rear of the tank down to the hooks on the frame. I believe ‘in motion’ are a good source of parts in uk.

Try Bradford ignitions, they’re down in Cornwall but do postal service. Sometimes have them stock & sometimes you have to send your own for rewinding. I had one from there for my evo a few years back, great service & price. You might find them on that bay place too !

It could also be the case that someone with access to a lathe has just turned up some special bushes to fit the required dimensions. Good luck !

It is a fairly common occurrence sadly. If this has only been fitted 3 months, how long did previous one last ? There is obviously some way to assemble everything together which then applies an unexpected loading to that particular bore/shaft housing which causes these failures. I notice a wear mark on the case where it steps out around the clutch basket itself, which suggests something has been regularly rubbing against it, that would be worth checking for lever boss clearance. I’ve also wondered if the position of the lever when mounted can have some detrimental impact. When the lever is rotated down & strikes the footrest as a dead stop, the internal rotating mechanism (Bart gear) will be in a different position depending on which spline position is used. If the lever & shaft rotates too far (maybe just one spline out), could the Bart gear be striking some part of the inside of the case ? That would add a leverage force trying to move the shaft relative to the case which combined with the shock dead stop would add a significant stress to the case at every ‘kick’ action. Just a thought, but quite difficult to check the operation although there would be a tell tale mark somewhere. Good luck with the next one ! I ran a couple of these bikes (maybe 03 & 05 models ) over about five years and never had the problem with the cracked case just the Bart gear & idler having chipped teeth.

This is the raga replica/standard txt hybrid is it not, where you appear to have some bits of each ? I think the raga should have a magnesium swingarm (painted gold same as engine ) so could they be larger outside & longer for the magnesium swing arm version ? Just a thought, someone here will know more but worth a check. But you could just buy stock plain bushes to the dimensions you need as per Konrad suggestion.

I’d have thought a couple of handlebar levers would be high on the priority list (old school), if it’s running repairs that you’re thinking about, but where do you stop when imagining the thousands of possible breakdown/damage repair scenarios ? A failed plug, snapped chain, or punctures are easy enough running repairs or even a drowned engine, assuming you’ve a spare plug, chain links, tube/turds (bacon flavour if you prefer) and a filter, along with the tools required for each. But what if the coil fails ? Handlebars snap in a crash ? (It’s been known !) A previous poster mentioned busting a cooling hose, would you carry a set ? I once dropped my gasser quite lightly on a rock in a stream and was unfortunate enough for the contact point to be right on the boss for the clutch line. Hardly noticeable but it cracked so no clutch. Ok, in that instance I could limp it back to the van, but it wasn’t fun trying to start it on a banking & ram in gear from the bottom of a muddy valley up onto the main track ! My point being, surely those few basics are all that’s required whatever your ride ?. If anything more serious happens then surely it’s home time, so a phone (with charge) is probably the most important item, and maybe a snack & drink until help arrives ? Otherwise you need a whole service crew following your every move ! Take that with a pinch of salt please, but how big a backpack can you carry before affecting your ride out/trial 😳.

Oh and by the way it’s harder & more physically demanding than it looks, but please persevere as it’s great fun and you’ll make lots of new mates and enjoy lots of banter. Don’t be too serious, you really will need to be able to laugh at yourself when you make a complete hash of a section where some clever bugger makes it look like a main road 🤣.

And also I believe Scarborough has their own land at Harwood Dale & run plenty of events. Welcome along to the world of joy & pain 🤣.

Another way to reduce the height of the bike without rotating the bars down is to use a ratchet strap under the fork leg/axle and up over the yoke to compress the forks down just while you’re travelling. That should give you space to move the bike in the pic over to the right a bit more and a bit more upright, and obviously second bike mirror image, possibly in back wheel first. Try to find a mate or friendly rider with a bike at a trial or practice area to have a go as a test. Good luck.

Not sure what you’re after but there’s plenty on the sherco specific forums. If you don’t get anything here, go and have a word with tony at B&B over in Barnsley. good luck

I suspect that the manufacturers (both of the original bike/pipe and the aftermarket pipe) could give you some performance improvement data for a titanium header, very technical in terms of heat transfer, scavenging, gas flow rates etc as above, but mostly significantly in a weight saving. There is an optimum running temperature for maximum performance so running cooler wouldn’t make sense, but running at a more consistent temperature would. So really you want the fan on more regularly with reduced variation in temperature in between switch on & switch off, therefore need more accurate thermostat & switching. However, in reality all these minor changes will be for very small gains and I don’t believe most riders would notice unless they’re already towards the limit of performance of the bike. I suspect the biggest thing you’ll notice for definite is how much lighter your wallet is 😂, but as a result you may convince yourself that the new pipe is an improvement. Oh, and if you want to save the few grams weight, make sure you go for a pee before you start riding, empty your pockets of all the nonessential items, and leave your car keys back at the van ! How many riders buy fancy, expensive, lightweight, aftermarket parts to save a few grams here and there, than add an additional half litre fuel tank (that’s half a kilo !) to save calling back at the paddock area to refuel mid trial ? But hey if you’ve loads of cash swishing around and need something to spend it on, go ahead, fill you boots as they say. Happy riding all.

On the whole I’d agree with the first three replies there in that the bulto is a bit of animal to start trials on. However, I’d temper that by adding that it depends on what you’re expecting to achieve in the short term and how determined you are to get the hang of it. It’s great to know you got the bug while spectating at the talmag, but that’s a bit of a prestige event and a lot of the riders there are top talents, very experienced, & riding highly tuned & modified bikes, and they they really do make difficult look easy. Or at least easier than it really is ! Your bike should be eligible for most UK twinshock events, but also the twinshock class at your local club event. You can ride the beginner/white/easy course until you get the hang of it and move up to the next course when you’re ready for the extra challenge. At most club events if you started by entering the easiest course and found it too easy, you can speak to the organisers/observers and they’ll let you ride the next level for subsequent laps anyway. Remember, it’s a very friendly sport and if you get there early you can have a look round the sections & see which course/level you fancy a go at, and you’ll get plenty of help & advice as you go. Get out on your bike (even on the drive) & practice riding as slow as possible, full lock turns, very careful throttle control etc. You can lay a length of timber or a ladder down & try cris-crossing etc at very low speed to build up your skills. It’s not all about a big handful of gas to propel you up bankings etc, there’s a lot more finesse to learn. Hopefully you’ll get hooked & not disheartened, but if you start out & find out the bully is making it hard work, you can always go to a ‘modern’ bike to make the skills learning experience a bit more gentle. Good luck and I hope you really do get the bug.