Bultaco

hello all am thinking of having one of my 199A powder coated in wite any idea witch ral code it is

hello guys was wondering if anyone has attached a bash plate under the tubes (159 frame) even adapted a ty plate or something? i do not want to cut off the old tubes but as i trial most weekends the damage is inevitable on the caseings----would sacrifice a wee bit of ground clearance to gain protection any ideas welcome cheers murray

She's coming along nicely

I have a love for all two wheels this one stood out for me . what engine from bultaco is it based on anyone knows please or a one off ?

What

Hi all, I have been helping a friend rebuild a Model 159 which was bought as a basket case. We have a problem with the cutch at the moment. The arm will not disengage the clutch. It is as if the puch rod is too short. I am fairly confident all the drum, hub and plates were assembled ok. We put the thrust washer in with a spot of grease so it didn't fall before all was assembled and we didn't forget the ball bearing. Looking in the Haynes Manual there appears to be a 'clutch rod extension' It looks like a short piece of pushrod. We haven't got one!! Should we have on for this model? Where does it fit? So at the moment we have as follows - operating arm - pushro…

Hi All, After spending lots of time searching the web for info on the older Bultaco 2-strokes, I'm at a complete loss and need some help from anyone who knows about these bikes/motors. What I'm after is some basic cylinder porting information (e.g. inlet port duration, transfer duration, exhaust port duration) so that I can see how the 250 motors developed, specific to their applications (flat-track racing or trials). I managed to find Bell's tuning info regarding the Matador's 150 inlet, 126 transfer & 170 exhaust timing but that's all I've managed to find. Please note that I'm not looking to steal anyone's tuning methods/port timings, I just want to be able to …

I have a 350 Bultaco from the seventies that is a definite restoration project, but I don't know just what it is. It has twin plugs which I thought would be for a quick change over mid section if the other plug fouled. But now I'm wondering if it is a moto crosser Pursang. Anyone have any thoughts on the matter, cos' I'm going to sell it and have no idea what to ask for it.

Hi guys i'm having some issues getting this old girl too run sweet. Can't get it too tick over for love nor money!!. Iv'e tried adjusting the float level numerous times, it iether bogs and cuts out or just won't blooming start. Any ides would be much appreciated. Cheers Hywel.

Hello all, I wonder if any TC forum member can help me with finding out any history of a 340 which was imported on 18 April 1983, converted to a proper Comerfords Vesty modded bike, and sold to Ernie Page Motorcycles in Edinburgh. From the date it might have been a new bike for someone doing the Scottish, I've bought it from a chap in Preston. Regards, Bulltaco.

Is the 340 front pipe unique to this model, or is it the same as other 350 models. The one on my 340 is serviceable but has some dents , I know you can get these out but I'd rather put the money towards a replacement than renovate what I have. Thanks.

On my M91, with the clutch lever pulled in, the engine will not turn over when I push the kickstart down. Is this normal? If not, any ideas on what might be causing it? Just to be clear, the kickstart lever goes down (very easily), but the engine doesn't spin over.

Hi, Just had a new main bearing and rod pressed onto/into the old crank. Question is: I didn't notice before but now the rod touches the webs... There doesn't appear to be any thrust washers. Is the rod held centrally by the piston? Are the thrust washers missing? Should there be any? It's a Sherpa 92 1973 thanks Paul

Having rebuilt the Sherpa engine and had it running beautifully I then go and pour 2 litres of Diesel in when refueling. I gave the tank a quick wash with straight unleaded, kicked over the engine lots, cleaned out the carb and replaced the filter and plug. Still running like ****e. The video is at half throttle and pic of the new plug. I plan on dumping the fuel in the tank as presumably the tank was still coated with Diesel, washing again with unleaded and re-cleaning the carb. Any other suggestion apart from stopping being so stupid? Should I try and wash the crankcase somehow? Hope this gives you all a good laugh :hyper: Netley.

Looked over for some info about turning a Model 212 into a trials bike. Judging by catalog photos, the frames look very similar. Are the triples different? Other than the tank/seat, and guessing the motor, any major differences? Want to turn this into a slow bike, but if it's too much work, will leave it a trail bike. Thanks for any info/help you can provide!

Progressing very well through the Model 80 re-build and I starts to hear the little voice. You know the situation, you're rounding the final bend on to the home straight of your current progect and all you keep hearing is the little voice saying to you, "what are you going to do for your next progect"! Well the little voice got it's response, with the arrival into the garage yesterday of two boxes of bits containing 90% of a 199A. The missing parts won't be a problem as that well know purveyor of things Bultaco, has them listed on his wesite. But my question is this, as the bits/bike do not contain a carb, what is the best approach? Is it a case of getting a replacemen…

Hello All, I'm hoping for some suggestions on how to proceed with the exhaust on my latest project... I'm presently in the midst of an early M80 Sherpa T rebuild and am striving for original appearance yet with increased performance in the effort. I had one of these years ago and, like many, replaced the triangular muffler with an "S" pipe to a modern aftermarket spark arrestor which did perform better than stock but, to my eye, didn't look nearly as good - certainly not period correct, anyway. I eventually sold her to a friend to entice him into riding vintage trials with me and have missed the bike ever since. Such a beautiful tank design - truly a classic. …

I have a set of shocks from a 1971 Alpina. They are red with chrome springs but I do not see any markings on them so am not sure they are Betors. (I could post a picture.) Are these rebuildable? Can I get a manual or procedure somewhere? I saw seals for sale on a web site but that is it. Thanks, Dan

hello guys a simple question, if i screw the air/fuel screw clockwise on the bing carb does this make it richer,and anti clockwise leaner regards mur

My best friend died in May (he was on here as Monoped) and has left behind his private collection of bikes that I am now looking after them on behalf of his daughter. He had what he always called his 'Miller Bultaco 350' which has a chrome frame with the number 715. A recent visitor to my place called into question that it is a Miller frame as there is no rear loop. On closer inspection, the brazing does look remarkably like that of Mick Whitlock and the footpeg mounts are identical to the Whitehawk. I don't want to misrepresent this bike when I come to sell it or under sell it if it is a more desirable/rarer model than the Miller. Can anyone shed any light on th…