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Motorcycling history is characterised by owners carrying out modifications, some minor and some major.
Sometimes this even leads to factories adopting changes.
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Looks like a 250 to me. 325 had "325cc" cast into the barrel between fins.
I wonder if someone has bored out a 250 to create a "350". Would be worth whipping the cylinder head off and measuring the bore. 250 was 70mm, 325 was 80mm I believe.
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From clear memory of the time I'm sure Beamish never used the title RL350. Their bigger engined bike was the RL325 and always had that capacity
Could you post a picture of the whole bike?
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Good of you to detail the mods to make the bike competitive. I think you're quite an experienced rider - how do you feel about the bike in comparison to the mainstream two strokes for trials use?
Lastly, are there any differences between the Sherco and Scorpa?
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Yes, would be OK I believe, as with Fiat Doblo, Renault Kangoo, Citroen Berlingo which have often been used as trials transport.
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Make aure you test the cable after refitting it by turning the handlebars fully to right and left, engine not running. As you shut the throttle you should hear a click as the slide bottoms in the carburettor. If you don't hear this, you need to dial in a little slack on the cable with the adjuster on top of the carb. If the cable isn't bottoming properly the engine revs will race on start-up.
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If you try phoning Inmotion Trials on 01784 440033 (0044 1784 440033 if you're outside UK) they should be able to supply the puller you need.
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Quite a bit more steering rake than on the standard MAR.
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I agree with rotors7. I've seen bikes do that with only result being shearing the woodruff key locating the flywheel. You could be lucky.
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...and East Yorkshire 2 day near Whitby, usually early October.
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Can also recommend Lanarkshire MCC 2 day at Fintry in Scotland in August, worth the trip.
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Scarborough 2 day in August. Also do a twinshock 2 day in July.
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You don't need an ACU licence to practice, and can ride any bike to do so.
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Any photos of the bike pre rebuild?
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I'm afraid I was quite distracted by the unnecessary music laid over the video, so it's difficult for me to comment.
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I've always lived with tubes that creep a bit. Three things I do:
- in first gear with dead motor, repeatedly jam the bike backwards against compression to correct valve position
- extend valve hole lengthways with a round file
- don't screw the valve lockring up to the rim, let the valve tilt if it's going to.
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Blimey. Wouldn't get away with riding a motocrosser to the pub or anywhere else for more than two minutes here in blighty.
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Correct. Well said Woody.
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I seem to recall the 2013 300s were prone to this and a change to red cylinder head was the cure. Haven Trialsport can advise I think.
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I was riding the SSDT when Thorpie was on the CCM (1979). He spent quite a bit of time repairing/rebuilding it through the week. A very game effort, but he soon returned to a Bulto after the event.
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I believe the early Dalesmans (Dalesmen?) had Puch forks, from the M125 road bike.
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If used trials bikes prices have been subject to inflation in recent months, this effect seems to be multiplied in the case of 315s. Be careful.
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Hasn't he got a tie-up with Tenaci Wong now?
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