triple_x

Hi I am in the final stages of rebuilding my Sherpa 80 series motor. Bottom end is complete and fine. I am about to fit the new piston and any clarification on side play at the small end would be helpfull. I have 2 Sherpa the other is a 198-A which has recessed spacers between the needle roller and piston. The new piston for the 80 engine is not machined either side of the small end, so my question is :- A Do I turn some recessed washers and equalise the conrod with the pistons centreline minimising side play. B Not worry and just use the plain washers supplied by bultaco UK and thin them to minimise the side slack on the end of the rolller bearing allowing the piston to self align in the bore. Kind regards Martin

Hi Thank you for the advice. It really is the only the colour spec I require as I have an Iron Phosphate pre treatment line and full powder coating facllities at our Bingley factory. We do a very bright silver for our furniture but it would not be any good for outside use and all the other silver powders I have been offered so far looks dull. I have had the frame sand blasted and am currently checking for any cracks. Will let you let you know how I get on. Have looked at your bike on the other posting and it is BEAUTIFULL Bultaco never ever made them that good. Kind regrds Martin

Hi Top Job. I hope I can get mine the the same level. Well done. Martin

Thank you, I will.

Hi I am about to get my frame powder coated. Does anyone know the correct RAL number for the silver. Thank you in advance. Kind regrds Martin

Hi I have a Sammy Miller unit on my Sherpa 250t 124. Look at my previous post where there is a link to the bike picture. I will watch this as mine could do with a bit of work. Regards martin

Thank you all for the advice re the back plate, no joy so far but will keep looking. Are there any other alternatives that would get me mobile, say more a popular hub that I could get built up? Other news, sorted out the wiring from the low tension coil, fitted new points and it fired up second kick! There is plenty of compresion but it is a bit clanky on tickover, but at least I know it is a runner. Kind regards Martin

H Worked out how to post photo. Martin

Hi The bike is complete but has not been looked after. The frame has been really trashed around the primary cases but it is straight it just needs a complete going overgoing over. I know where to get the work done but my mistake was not researching the brand and not picking up on the fact that the rear brake plate was not original. My plan is to get the engine running and check for strange noises if none then strip down sandblast and powder coat the frame and gradually put it back to standard. So far I have fitted a new Kick start spring, Air filter and am shortly to fit points and condenser. I have worked on numerous Trials bikes in the past so this was seen as nostalgia trip ending up with a working toy in the garage to keep my Street Triple company. Back in the sixties I had a 197 Scottish, 24 tes Greeves, a new 1966 Anglian, the first Montesa Cota out of Westbury motorcycles in 1968 and finally a 1970 Greeves Pathfinder followed by the ex Paul Dunkley Cheetah. But I never had a Sherpa. If you are interested I can email photo but i do not know how to post them on the forum. Kind regards Martin

Thank you for replying. Basically I want to get the bike together and running before I decide how much I want to spend. To give you an idea. Front hub needs sleeving Lower tubes under the engine need work, Rear hub needs re chroming Mikuni carb does not look like the normal in fact it may be off a road bike. Now, I realise that I could get a complete wheel assembly for another Sherpa but it would be nice to keep it original. KInd regrds Martin

Hi everyone. Need some advice please. I am rebuilding my bike to original, it needs a lot of work. Before I strip it down i need to run the engine and check the gearbox functions. However I am stuck for a rear break plate. The problem is that mine has the (I think) Pursang rear hub, two piece hub held together with M6 Allen screws. Tried Bultaco uk but they cannot help. Any suggestions would be appreciated. Thank you in advance. Martin

Can anyone help. The Kickstart spring has failed and I have a new one to fit. Can this be done in situ or does the shaft have to be removed? Martin