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head cowling which works best ?
Posted: Sat Jun 06, 2009 7:51 am
by rbgaz
on a gp theres a few diffrent ones in stickys book just like to no which is meant to be best
one without a air scoop/one with airscoop/one with just a air divider no scoop /one with airscoop and diveder/ one with no air scoop or divder ?
Re: head cowling which works best ?
Posted: Sat Jun 06, 2009 9:04 am
by paulmgreen
divider helps force air towards exhaust port apparently
Re: head cowling which works best ?
Posted: Sat Jun 06, 2009 9:14 am
by rbgaz
cheers paul, so what about the air scoop what benfits y did they remove them from later ones ?
Re: head cowling which works best ?
Posted: Sat Jun 06, 2009 9:34 am
by Ian Hepworth
Air scoop was to blow warm air onto carb/manifold to prevent carb icing up.
Re: head cowling which works best ?
Posted: Sat Jun 06, 2009 9:39 am
by rbgaz
thats intresting learn somthing new every day
p.s your new remade racetour carb rubbers are shorter than the old ones !! cant get my 35tm on it
Re: head cowling which works best ?
Posted: Sat Jun 06, 2009 11:27 am
by shocky
indian ones as advised by taffspeed with the correct flywheel ,the head cowl has a larger cut out on them so lets air escape quicker