BGM/koso 28 carb

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soosh
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Posts: 1106
Joined: Sun May 03, 2009 2:01 pm
Main scooter: GP RS200 Iron barrel
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I've got a couple of these kicking around,I've sorted the fuel issues out now and want to try on my on my tuned Indian barrel.Anyone got a tried and tested spec for both bigbore and expansion.
I know the jjh needle is commonly used bit is that just on a reed motor?
Cheers :D
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coaster
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Joined: Wed Jan 07, 2009 12:35 pm
Location: London and Norfolk
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My experience has been with the OKO pwk and I found that the GJH needle worked better than the JJH which tended to be boggy in the mid range. The GJH is slightly weaker between 1/2 to 3/4 throttle so runs cleaner.
soosh
registered user
Posts: 1106
Joined: Sun May 03, 2009 2:01 pm
Main scooter: GP RS200 Iron barrel
Contact:

coaster wrote:My experience has been with the OKO pwk and I found that the GJH needle worked better than the JJH which tended to be boggy in the mid range. The GJH is slightly weaker between 1/2 to 3/4 throttle so runs cleaner.
Cheers,what motor was it on? What about the test of carb spec?
Thanks
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