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Gammaboy

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Posts posted by Gammaboy

    et flywheel alternatives

    in Air Cooled

    Posted

    The race alternator kits that Durbahn.de sell are based around Ducati ST3?4? alternators - they're an aluminium hub with rare earth magnets in it - 75mm diameter, ~20mm wide, with the coils run around them (Bevel Ducati guys use them as a bolt in upgrade in their old shitters). There's enough room before you hit magnets to bore them out big enough to slide over the hub of the small crank GSX alternator, and clamp them with a stepped washer under the crank nut. would be the absolute lightest alternator you could run, very narrow too.

    Converting to a modern sprag clutch is interesting - I was just looking at the item out of a SV650 wondering if it could be used...

     

    Recommend Me Some 18" Slabby tyres

    in Oil Cooled

    Posted

    I'd be a fool not to recommend Continental. Phase 1 use their rubber, works for us as they're full Radials, so you can lean on them a bit harder than other stuff. They build everything from workman like right up to SC2 which is race spec. 

    Conti seem to be the only people working on 18" development. True that Road Riders are modern rubber developments of Road Runners that were ubiquitous back in the day and I always trusted Metzeler particularly for wet riding, but times have moved on.

    I run the "CR" compound Road Attacks - they're classic endurance race compound ones - they're excellent as a sticky road tyre. Haven't tried the non race compound Contis, so can't comment on them.

    I know some guys swear by Avon AM22s i think they are - but I have no experience with them.

     

    Racecase

    in Air Cooled

    Posted · Edited by Gammaboy
    Adding stuff

    I think the issue with beefing up the ignition cover is it makes it much more likely to snap the mounting bosses out of the case - having said that, Back on the old forum one of the guys was offering heavy duty billet ignition covers (with a flat machined off it for better ground clearance) - Can't remember his name - Kiwi fella that was racing a GS1000 (I think his business got bought out, and then he went working on the oil rigs?). He also did neoprene cam cover seals for both types of GSX1100 cam covers and GS1000 (but not EFE).

    There was also a guy here in Oz doing a cast Magnesium replica of the Yosh ignition cover - much thicker.

    Bit of a different case for the Alternator side -plenty of bolts to hold that fucker on, but either drag type plates or modified stockers seems to be the common fitment here - never seen anything aftermarket.

     

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