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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
600cc Comet Carbie?
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<blockquote data-quote="Black Flash" data-source="post: 77512" data-attributes="member: 433"><p>HArry</p><p>I don't know what kind of gearbox you are using on your machine but with a Norton AMC box the internal gearing of the K/s mechanism is different from a Burman. After wiggling the engine over TDC you should bring down the lever about 1/2 to 3/4 of a swing. Then bring the lever up again and give it a good kick. </p><p>If you try it the Burman way there is not enough inertia built up to bring it over the next compression stroke. </p><p>I am using the same kit with a 36 mm Mikuni twin sparks and a Boyer Branden ignition. The bike always started 1 or 2 kick and never needs a choke despite using his MK 4 race cam. Tick over was rock solid. Unfortunately I wrecked the engine by filling the wrong fully synthetic oil after an oil change. At the same time I felt the urge to raise the gearing so that the engine wasn't revving so high on longer motorway journeys.. </p><p>A fast ride on a very hot day up a long steep hill with tall gearing and the engine seized. </p><p>The fully synthetic oil had loosened all the old crud in the oil tank and this stuff ruined my pump and oilsupply within 10 miles. </p><p>The engine is rebuild and I am waiting for the JE headset and spring to come. </p><p>Bernd</p></blockquote><p></p>
[QUOTE="Black Flash, post: 77512, member: 433"] HArry I don't know what kind of gearbox you are using on your machine but with a Norton AMC box the internal gearing of the K/s mechanism is different from a Burman. After wiggling the engine over TDC you should bring down the lever about 1/2 to 3/4 of a swing. Then bring the lever up again and give it a good kick. If you try it the Burman way there is not enough inertia built up to bring it over the next compression stroke. I am using the same kit with a 36 mm Mikuni twin sparks and a Boyer Branden ignition. The bike always started 1 or 2 kick and never needs a choke despite using his MK 4 race cam. Tick over was rock solid. Unfortunately I wrecked the engine by filling the wrong fully synthetic oil after an oil change. At the same time I felt the urge to raise the gearing so that the engine wasn't revving so high on longer motorway journeys.. A fast ride on a very hot day up a long steep hill with tall gearing and the engine seized. The fully synthetic oil had loosened all the old crud in the oil tank and this stuff ruined my pump and oilsupply within 10 miles. The engine is rebuild and I am waiting for the JE headset and spring to come. Bernd [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
600cc Comet Carbie?
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