April 3, 20224 yr I’m going to be working on a friends 1985 Can Am (Armstrong) 240 (Rotax) trials bike. I have a couple of SWM 320s (280 Rotax) . So I know where to get any engine parts. The body and frame parts I’m not so sure about. We need the following: muffler... ...carb kit... ...seat... ...all cables... ...decals... ...intake tube from carb to engine...since it has the Amal carb the intake tube appears different(smaller id) SWM? ...air filter... ...rear sprocket... ...front and rear fenders ...what handlebars do you recommend?.. thanks
April 7, 20224 yr Most of what you want should be available from John Penny at Armstrong Trials, he has a web site but it does not appear to have changed for a while so should give him a ring
April 9, 20224 yr In doubt I would dump the Amal and mount a DellOrto. I did so with my Bultaco and too with the Montesa. You can take the standard DellOrto of your SWM and mount it once to the Armstrong to figure out how well that type will work compared to the original Amal. Most old Amal carbs have the issue of a worn out cylinder for the slide as back in the 80's the material of the body and the slide where of the same material. Thus lead to much friction and worn out both components. Edited April 9, 20224 yr by pschrauber spelling issues as usual ...
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