t-shock 250

I think Woody got it spot on, there should be 2 routes, one for modern twinshock / experts and another for pre-65 and older twinshock machines. Modern bikes have no place in the classic series in my opinion (air cooled mono's are probably OK if only to boost numbers) I think interest in this series is definately on the increase, it only takes a couple of riders in a club to get into twinshocks and before you know it there is suddenly a whole group riding them.

Probably be a case of universal mudguards + hacksaw = file!

Those 280cc Rotax engines are actually VERY pokey, but they were stifled to death in the Armstrong with a very restrictive exhaust, they are a lot lot better than the hiro motor which never sounded or ran quite right in my book.

How did they get the engine to 260cc? As far as i know they were produced in 238cc 0r 276cc i don't think rotax made pistons in-between size.

Says sheffield on eurosport teletext!

Hey! get your own jokes!!!!!!! Or pay me some commission

The spokes are not supposed to be sealed, thats what the rim seal is there for. Using silicone etc on the spoke nipples to stop leaks is a bit like shutting the door after the horse has bolted.

That's what i thought, imagine if the 4RT had bombed and didn't sell, Montesa would have been totally screwed!

Not sure that would work so well on a trials bike, you need a heavier flywheel at low revs too, to help with low down smooth power, essential for finding grip and not too easy to stall.

Assuming you clean and re-oil your filter after each ride, if you do not, you run a high probability of dirt in the carb. Dismantle carb and fully clean out all jets etc. Sounds like you may have some dirt/debris in the pilot jet possibly.

The bearing no.s will be on the old ones somewhere, if you can't see them just take the bearings in to a local stockist and get some there. They will probably be cheaper too.

The weekend was red, and had disc front and a drum brake at the back.

I heard somewhere that the crankcases are the same as the air cooled Gas Gas machines from 88-90. Might be worth checking out, as it's another possible source for spares.

That would have nothing to do with it. The culprit is the exhaust, as the bike appears to get louder depending on how many restrictors are removed from the exhaust.

Yeah, Birkett definately rode one in the Scottish, he was a dealer at the time, 90/91 perhaps?

How much did it cost to rebuild the wall?

It says a lot when 50% of the people who voted on this poll say it IS too loud, and these are people who LIKE motorcycles!!!!! 2 4RT riders said yesterday that they thought their own bikes were too loud, and that was the worst thing about owning one. It's not just a blanket 4 stroke thing though, i see a few of the little 125 Scorpa's being worked very hard at trials and they are nowhere near as loud as the Mont even when being mercilessly thrashed. Come on Montesa/Honda, sort it out.

Nigel Birkett rode one of these in the Scottish once, as did Robert Sartin of Talon, you could try these.

Spoke to a couple of 4RT riders today, they said the biggest problem with the bike was the noise, especially going down the green lanes in between sections.

That could possibly be true if you left the bike idling for long periods, that doesn't happen in reality of course.

What do you mean struggling with tyre pressures?

Tried Duke, they don't have anything

I bet you can! Honda will be saying that to be on the safe side, i reckon you could turn it down a fair bit before encountering any problems.

When i rode Aprilias, i found the clutch action to be excellent, but by extending the operating arm a fraction i found it to be even lighter pull without compromising clutch seperation. Have you tried this?

Not sure about the outlet height on the standard tank, it may be a different height to mine, could make a difference to fuel flow?