Bultaco

Just thought I,d try to start a new thread where people could show what they have been working on to keep these great bikes alive and well or even improved. I,ve been working on my brothers bike and had troubles with the rear motor mount that I posted in another thread.The repair job that Larry (lbhbul) did to the motor mount has it in and the swingarm tight with nice free movement.I had to make a mudflap for the new airbox and was nervous about drilling holes for it and for the rubber boot to carb mounting plate. I haven,t been able to work on it too much,but here is whats been done so far with hopefully more progress this weekend.

Hello Guys, I'm new here but I notice there are a few queries about old Bultacos. I have a Sherpa T which has been in my shed for years begging for attention which I have not given as I have old cars whose needs have been greater until now. Anyway, its a 1968 engine no.M1001275, Frame no. B100275. Its a 4 speed. I will need parts for this such as cables, rear brake inner drum (on which the shoes are mounted) third gear sprocket (serious! broke it when changing gear with a broken clutch cable. Silly, but I was young then!) Various other stuff. Where's the best place to look?

Hi all, On my Sherpa 325 I put InMotion electronic ignition - bolt on - could not have been easier. Easy starter no problems. On my Frontera 152 I couldn't afford the electronic ignition so stayed with the points system. Took a while to set up, the bike had been sitting for years and the stator and accociated bits were dusty, rusty and neglected. I cleaned everything, new points, condenser, replaced the lighting coil, all seemed to go together easily. Set the points gap and bought myself a dial guage to set the timing. An evening in the garage had things assembled and timed fine. Ripping across the fields and around the yard the bike went very well, easy to start, ho…

This year is the 50th. aniversary of Bultaco CEMOTO 1958-2008. Trials bikes started to be built in 1964 with the first 3 prototypes of the Model 10 "Sammy Miller". Happy birthday, and thanks for so many trials enjoyed. Thanks BJ for this pics, it would be nice to see more Bultaco photos here.

Does anyone know the frame numbering sequence for the 340 Sherpas modified by Comerfords?. I saw a 340 recently that looked like and was claimed to be a Comerfords bike. It had the forward top mountings for the rear shocks and the larger s/a mounting plates to take the swinging arm forward to within a few mm of the engine casing but the swinging arm itself was of heavy oval tube and I thought they had rectangular ones made by Whitehawk. Or maybe that was an extra?. How many 340s were made in total?.

Hello The bike, the first target is to start the engine with a clean carburetor / exhaust and of course wheels (Tires/ spokes). I will manage to have a Vermont registration : its's means lights, horn with probably a new ignition with 12 volts supply. A long way to go 😪

Hello, let me introduce myself first (I should probably post that in the Introduce Yourself post.....) I've been into bikes and off-road since I was 6 and got a Pee-Wee 80, I then graduated to a TS 125 when I was 8, it was a rescue from a scrap yard as it was fire damaged so my Dad and I set about restoring it, whilst all the other kids got the new Atari games system for Christmas in 1984 I was more excited to get a new seat for my bike! (This should give you a clue to my age ) When my TS finally died after many years of faithful fun I was in the market for a new bike and it just so happened that my neighbour over the road had one for sale so when I was 14 I saved up…

Hi: As many of you know, the last years of Bultaco, the factory was in the hands of the workers unions operating as a cooperative. Production of the 199B models was very chaotic and nobody is sure which frame numbers really are the first and the last, being the last, most probably the last bike ever produced in Bultaco. With a group of friends we are trying to find the latest Bultaco 199B number we can, actually doing a research in facebook and Spanish forums. The latest frame number we have documented at the moment is JB-19914920-B Maybe you have a later frame number? Please let me know!

hi all can anybody advice me on how to set timing .and points?

There seems to be a lot of photos showing very clean Bultacos on engine stands. Nows the chance to prove you get 'em dirty! Lets see your action shots. I'll kick off with a couple from last weekends Jersey Classic & Modern Trials Club 2Day. Which incidentally was an extremely well organised event, with top names including Steve Saunders, Mick Grant, Becky Talbot nee Cook & Ross Danby.

As the title says, do you have anything that you think makes your bikes history a little bit more unique. There must be some really interesting stuff that has gone on in the lives of these bultaco's.

Hi Guys I am new to the site and wondered if anybody has fitted lights to a bultaco. I have just purchased a 350 sherpa 78/79 frame no 199 and wondered if anybody could advise me on lights I have purchased the brake switch and front/rear lights and have got a wiring diag from bultaco uk. iam told they are notourious for problems with lights and blowing bulbs. looking on the wiring diag i need a resistor, where do i get one and what voltage bulbs do i need 6v or 12v Thanks for any help given.

Hi everybody I'm thinking of buying a 1975 Sherpa T 350. Is there something special to look out for? Does it have any weak points? Cheers, Guy

I am looking for a way to restore the cylinder head on my 183 Sherpa 350 to the original look I.e. light grey as it cane from the factory and keep it that colour with something like a clearcoat. Any suggestions ?

Hello, I have recently bought a Bultaco with SM high boy frame; I did it not because I hope that his frame is much better than the standard one but because I believe that it is a peculiar bike in trials history. The bike I bought is rather a patchwork: engine, forks,hubs are a nice collection coming from several bikes and so the problem is: how was the original bike? Even I'm not totally crazy about each original screw of the bike (especially when prices are rising at stars) I'd like at least to have the right engine, wheels and suspensions. A fast search on the internet (this fantastic source of informations that so often provide us of good informations) didn't give me …

I have read some of the old posts about brakes and even contacted some of the members here on TT. But I haven't yet read were a Bultaco owner has brakes that work as efficiently as a Honda. I know that is upsetting , but come on how hard can it be? Bully brakes are 125mm and my Honda has 110mm. Is it purely the lining material? Is it design? Is it mechanical leverage? I have tried 1 Relining the brake drum 2 Bushing the cam pivot 3 Newfren shoes 4 Machining shoes to match drums 5 Centralising the backing plate when tensioning the axle 6 Venhill nylocable …

Hi everybody I'm in the process of rebuilding the engine of my Sherpa. I need (among many other parts) a new piston kit. Does anybody have experience with the Italkit pistons from In Motion? Or does some one of you guys know from a secret stash of original Mahle pistons? I need a 84.00mm piston.

hi all whats the best f/s two stroke oil to use for my bultaco 350?

WES were advertising alloy club foot replacements in the classic Scottish program. Anyone seen one yet? Any idea of price?

Just bought this fixer and not sure about the year and some details if someone out there could help and recommend upgrades. Noticed brake is on left side and thought they were imported with it on the right after 85? also not sure what those shocks are from. have some rust on the upper fork tubes can that be fixed? Many thanks in advance.