08-17-2014, 10:22 AM
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#2 |
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Junior Member
Join Date: May 2014
Posts: 9
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Rejetting*
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08-17-2014, 11:16 AM
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#3 |
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Senior Member
Join Date: Apr 2012
Location: Elkhart, Indiana
Posts: 369
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carb modding
1) main jet control the maximum amount off fuel available to the engine (part#16) factory 120 upgrade to 140 (I found my at my local motorcycle dealer , look for small mikuni main jet or take the old one with you) 2)needle shine control the fuel at mid range move the washer (part# 9)from the top of the E-ring (part# 10) to under the e-ring to improve the mid range 3) Pilot jet (part#26) control the fuel from idle to about 1/8 of Throttle factory set under 2 turns from the close position new set 2.5 to 3 turns, you may need to remove the plug (part#26A) to gain access, improve idle and reduce the fluctuation be twin col and hot idle 4) Upgrade air filter (I modify the factory filter see second picture) http://www.gz250bike.com/forum/attac...9&d=1408145033 http://www.gz250bike.com/forum/attac...0&d=1408147180 Login or Register to Remove Ads Last edited by raul10141964; 08-17-2014 at 11:24 AM. |
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