Finally I am starting to collect parts for my rebuilt . As a standard Jap spec model it came with 30mm carbs and 22D00 SAPC unit . Never gave me any problem but at the same time it only produced about 45HP .Un-restricting a SUZUKI RGV is not a difficult task all that is needed is 34mm Carbs and an un-restricted SAPC unit . More information upon SAPC units can be found at rgv250.co.uk .

34 mm carbs for higher output and torque than the 30mm standar jap spec ones .

22D30 SAPC UNIT
" This box only opens the pilot air valve between 500-2000 rpm, and is the most common un-restricted SAPC box available"
A new or well preserved un-restricted engine should be making around 52-55HP
Both of them costed me £60 which is rather cheap if you come to think that you gain about 10HP instantly .
(Cheers Joe)
Next on my list : Straight spark plug Heads !!!!
(Cheers Joe)
Next on my list : Straight spark plug Heads !!!!
3 comments:
so are you saying this box will give you 60-65BHP?
nop.. all I am saying is that a restricted bike produces around 45 Hp while a derestricted produces around 55 .. In order to go near 60 ish you will need new exhaust pipes, new cylinder heads some cylinder porting and SAPC smoothing.. All these on a fresh motor should get you to the near 62 ish Hp.
Nice looking project mate, similar to what I've got.
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