2stroke4stroke

I just removed a couple of springs to no ill effect (on a 200). Might be different if you're a full bore mud merchant down there.

No need to worry too much Allan, you'll never get the SY250FR anywhere near it!

I had to persuade mine with careful use of a rubber hammer - it is quite a snug fit. Or you might be able to grip the black end cap in a vice and wiggle the main body.

"They all do that Sir". Tried various oils and the clutch fix to no avail.

The answer to your question is yes, and no, you won't damage the seals because you are putting much less pressure on them than when you use the brake and, as you may be fearing, you are not putting pressure on them "in the wrong direction" - pressure is equal throughout a fluid, which is the principle on which a hydraulic system works, so it's essentially the same as operating them but with the lower pressure mentioned.

It surely must be - didn't the works bikes all have lights and indicators?

Interesting that I didn't hear any criticism until riders were safely out of the organisers' earshot at the next week's trial so fair play to Tam for an opinion communicated to the Club. I didn't find the Sunday any more difficult, indeed I did much better on the Sunday, lost nearly 200 overall on the A route but felt that I could have been cleaning almost every section (but then that's been the story of my trials career) so the fault was mine, not the section plotters'. Funnily enough my best rides were on the most difficult sections. I didn't think the scores were ridiculous, in terms of indicating severe sections. Let's put things in to context. By sheer chance I have recently uncovered issues of "Motorcycle Scot" from 1982. There is a report of a one-day Forfar trial (the venue is not stated, only identified as being loaned by the Perth club). The first three dropped 48, 58 and 65 with first class awards going up to 124 marks lost. Bikes aren't identified beyond the best schoolboy being on an Italjet but presumably all standard twinshock fare. Funnily enough the winner was reported as being one Alan Craik (sic). There's another one-day event at Kilbirnie which venue is still in use I believe. Winner dropped 70, first class awards ranged from 107 to 141. A few of the competitors in these trials are still riding, notably Ross Thomson, still on SWM.

http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&item=261055368135&ssPageName=ADME:B:SS:GB:1123 Perhaps we should alert Dougie in case he wants to buy it back?

Just make sure you ride it on wet grass so you find out how hard it is to get grip (I was at a test day where this was the going and the dealers trying to sell the thing said they don't find grip easily). Some sales pitch. And I have had good results on four strokes over the years so not prejudiced against them.

Certainly I recall a pal had the disc valve "jump the splines" back in the day so it can happen and, presumably, is easily checked?

Certainly makes £100 for a brand new set of Marzocchis look reasonable indeed.

I've never followed the argument that the need to rev a 125 silly then slip the clutch (which to me is the way they need to be ridden for demanding sections, which is not using the power properly, as opposed to clutchless feeding in the power on a larger bike) makes you a better rider. Perhaps if you have World aspirations, but that's not who we're talking about. Surely if a 125 fails to get you up something that a bigger motor would have this can only increase the likelihood of injury? Power outputs are still circa 20 bhp as they were decades ago so no need for a restriction on the amount of power. Style of power delivery perhaps but there's no way to enforce that.

Screw two nuts on to the stud, lock them together and turn the lower one to unscrew. If both move up the thread instead of turning the stud then you may have to keep them tightened together with a pair of spanners as you turn.

I seem to recall the Gollner Ossa (twinshock) came in yellow but might be wrong.

Can't see it getting past the scrutineer at Kinlochleven.

Interesting.

Or the obvious - pull the tube off the carb and let it drain in to a petrol can?

As far as I have ever known from tests etc the 200 is a UK only model - it was certainly developed due to demand from the UK - and has never had the extra flywheel weight (it being deemed not necessary). Doesn't mean a previous owner could not have fitted one of course but that would mean fitting the casing extension too.

I was impressed at Alvie when an observer fired up his Ossa and started doing all sorts on it without any apparent need to warm up so the injection must be doing something. However, I don't have a problem with having to warm a bike up before I use it and, given the number on here who seem to have problems getting their laptop to talk to their 4RT, I'm not convinced of the benefits. I've never had any difficulty getting the screwdriver to talk to the carburetor.

I thought the 200s did not have the extra weight, mine certainly never did.

Don't forget to take up the slack on the mechanism before swinging or you'll end up damaging it. What you want is a smooth swing, not a jab.

No dispute - read it again - I said the Miller frame had a round top tube thus confirming yours as Whitehawk.

Just take the dimensions round to your local upholsterers.