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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Mikuni 34mm jets with Goldstar silencer?
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<blockquote data-quote="brian gains" data-source="post: 128491" data-attributes="member: 3153"><p>may not be entirely relevant but may at least give a bench mark.</p><p></p><p>Bored out Shadow + Goldie silencer with VM 34 Mikuni 200 main, 30 pilot, #3 groove on 6DH3 needle, 159 P2 needle jet, 2.5 slides, </p><p></p><p>The rear #1 pot constantly indicated running rich and would occasionally foul, 6DH3 needle was set at #1 groove so no chance to lean out there so changed to 159 P0 needle jet (unlike Amals the jet not the needle is 1st item change ) with needle on #3 groove.</p><p></p><p>No. 1 plug is now indicating slightly better colour ( although I understand that means nothing with pump soup nowadays ) however acceleration is noticeably crisper.</p><p>Not done enough miles to say anything more conclusive except I haven't holed a piston !!. Am midway through making temporary tacho' mount to get a better idea of what is going on in the heart of the beast.</p><p></p><p>Second Allen's, v' helpful.</p></blockquote><p></p>
[QUOTE="brian gains, post: 128491, member: 3153"] may not be entirely relevant but may at least give a bench mark. Bored out Shadow + Goldie silencer with VM 34 Mikuni 200 main, 30 pilot, #3 groove on 6DH3 needle, 159 P2 needle jet, 2.5 slides, The rear #1 pot constantly indicated running rich and would occasionally foul, 6DH3 needle was set at #1 groove so no chance to lean out there so changed to 159 P0 needle jet (unlike Amals the jet not the needle is 1st item change ) with needle on #3 groove. No. 1 plug is now indicating slightly better colour ( although I understand that means nothing with pump soup nowadays ) however acceleration is noticeably crisper. Not done enough miles to say anything more conclusive except I haven't holed a piston !!. Am midway through making temporary tacho' mount to get a better idea of what is going on in the heart of the beast. Second Allen's, v' helpful. [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Mikuni 34mm jets with Goldstar silencer?
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