Classic Motorcycle Mechanics
Classic Motorcycle Mechanics
This is the magazine dedicated to the buying, riding and rebuilding of the later classics and Japanese machines. Subscribe here.
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Q: I own a 1978 BMW R100S. What’s your take on gasoline additive and octane rating? Personally I have been feeding her SP98 (best quality available here) and no additive whatsoever. What do you think CMM? Anon A: We have three separate issues here. They are octane rating, lead in fuel and the addition of…
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Q: In a world of no centrestands do you measure chain tension on the sidestand when travelling? Anon A: The obvious answer here is that if the bike was sold when new with only a propstand, the manufacturer should have given you a procedure to follow in the owner’s manual, and it would be best…
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Q: I would like to be advised of the correct procedure for setting the valve and ignition timing. I have a ‘confusing’ Honda manual as a guide but with flames coming from the near side inlet port, am at a loss as to knowing what to do. Please help if possible. Ron Marks A: If,…
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Q: I have a 1989 Honda CBR1000F-K and its looks are spoiled by a scuffed round right-hand engine cover. It appears not to have a part number that I can find anywhere, even my Haynes Manual gives nothing away. Can you help point me at someone who might know how to replace this? Stephen Guy-Clarke…
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Q: Well I’m truly stumped with this bike, I have no idea what is going on with it or what is causing the sooted plug on the left-hand pot and which I think goes hand-in-hand with the inability to rev cleanly beyond 4K revs: every ignition component has been replaced and where possible swapped with…
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Q: I am having problems trying to find a set of standard piston rings for a Benelli 250cc 2C Phantom. I have tried several websites with no luck. Can anybody out there help? Harry Duffield A: Yes, I can see this might be a problem. However if you look at eBay, particularly the US (.com)…
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Q: I’m currently restoring my 1982 Suzuki GN400 after recently retiring and having some time on my hands. I am looking for some advice on the best way to finish my cylinder, cylinder head and rocker cover after recently having them vapour blasted. I thought of leaving them bare, but even after a few weeks…
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The location is San Carlos in Venezuela and it would be an inauspicious start to their 500 campaign as a mechanical issue side-lined rider Kenny Roberts and reigning champ Barry Sheene would win. It wasn’t all bad, as Roberts would win the 250 race but would soon concentrate on the 500 title and take it…
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If you would like a photo print of this image have a look on www.mortonsarchive.com
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If you would like a photo print of this image have a look on www.mortonsarchive.com
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