Search found 3541 matches

by David Lahey
Thu Nov 26, 2020 8:09 pm
Forum: Twinshock & Classic Trials
Topic: Basket Cases
Replies: 2556
Views: 1227519

Re: warning - Even less of a Bultaco story

Hi Everyone, Like most things I do, sort of backwards as I am rebuilding/ building from the top down. Next is to build the middle bit and steel base to utiliser these axles and wheels: 1606007750383.jpg This came to me yesterday and I have never seen a Piano Trolley like this before, as for being p...
by David Lahey
Sun Nov 22, 2020 4:08 pm
Forum: Twinshock & Classic Trials
Topic: Basket Cases
Replies: 2556
Views: 1227519

Not Bultacos

Yamaha TY twinshock crankshafts have a light interference fit in the left side main bearing. I've reassembled lots of TY175 motors before and it has been possible to pull the crankshaft in using a flat steel plate with three holes in it, but it is a slow process and I've always wanted to do it with ...
by David Lahey
Sat Nov 21, 2020 10:04 am
Forum: Twinshock & Classic Trials
Topic: Basket Cases
Replies: 2556
Views: 1227519

Re: warning - Not so much a Bultaco story

Hi Everyone, David, Good quality things that are popular will always stimulate aftermarket parts when all genuine spares are exhausted. For example, you can buy absolutely anything for a Grey Fergy! Now that you mention it, I think my :Bultaco: M49 has woodruff key clutch basket drive? What model d...
by David Lahey
Sat Nov 21, 2020 9:40 am
Forum: Twinshock & Classic Trials
Topic: Basket Cases
Replies: 2556
Views: 1227519

Re: warning - Not so much a Bultaco story

Hi Everyone, On another note and after some head scratching, I managed to get the old vice apart, all of the bolts had a black tar type substance on the threads, I think Stockholm Tar was used on old threads? Anyway whatever it was made my job easier and I saved every bolt and nut. Years ago I pull...
by David Lahey
Wed Nov 18, 2020 10:24 pm
Forum: Twinshock & Classic Trials
Topic: Suzuki RL250 Mania
Replies: 210
Views: 97693

Re: Suzuki RL250 Mania

I bought one of those magneto covers off US ebay a year or so ago. They do pop up now and then. There are people wrecking RLs over there
by David Lahey
Tue Nov 17, 2020 9:20 pm
Forum: Twinshock & Classic Trials
Topic: Basket Cases
Replies: 2556
Views: 1227519

warning - Bultaco story

People who have rebuilt an early 1970s :Bultaco: bottom end will recognise these parts. For others, this is the main gearbox shaft from an early 1970s :Bultaco: motor. One end has a sleeve gear with a spline for the rear drive sprocket and the other end spline is for the clutch hub. I have taken the...
by David Lahey
Sun Nov 15, 2020 9:31 am
Forum: Twinshock & Classic Trials
Topic: Basket Cases
Replies: 2556
Views: 1227519

Re: Basket Cases

Provided there is no grease or oil residue on the thread, you could submerge the whole thing in molasses which will not only free up the thread by dissolving the rust, the rest of it will look very pretty. I use poly tanks and plastic buckets for molasses treatments, but in your case that huge old v...
by David Lahey
Tue Nov 03, 2020 6:40 pm
Forum: Twinshock & Classic Trials
Topic: TY250 Twin Shock OEM Ring P/N
Replies: 7
Views: 774

Re: TY250 Twin Shock OEM Ring P/N

I thought I'd post these photos of TY250 parts manuals up to hopefully help with solving the mystery
by David Lahey
Mon Nov 02, 2020 10:57 pm
Forum: Twinshock & Classic Trials
Topic: Basket Cases
Replies: 2556
Views: 1227519

Re: Basket Cases

Wow that's a challenge Greg. Probably a silly idea late at night, bit I'm going to try and apply logic to working out what it is from. So we know that the all-alloy hub type was on at least two 1966-67 :Bultaco: models and very likely earlier but by 1968 the small spoke flange on similar hubs were b...
by David Lahey
Mon Nov 02, 2020 9:49 pm
Forum: Twinshock & Classic Trials
Topic: TY250 Twin Shock OEM Ring P/N
Replies: 7
Views: 774

Re: TY250 Twin Shock OEM Ring P/N

I don't know if you guys know but Yamaha use the 3 digit alpha numerical code for each different model. Every part introduced for that model starts with that code and no matter what or hoe many models that part is fitted to it never changes it's number. Yes and Yamaha also does cool things to keep ...

Go to advanced search