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Enduro Intake/Carburetion - 2 stroke Jetting, Reeds, Air Filters, etc. |
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#1
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jetting set up for mods
Ive a GG300 ec 2003 ive put in pro race carbon fiber reeds with a FMF fatty front pipe and a power core tail pipe.
at the mo the jetting is main 178 slow 38 slide is standard i think 7 jet needle is NIED and have a NIEF spare, im awaiting th NEWD. needle in 3rd pos A/S currently 1 3/4 turns but feel its holding back (lean) Just run it in it feels more lively than before lifting the wheel with no problem. im just wondering if i would have to rejet to get the best out of the bike and mods. anyone have any opinions on this |
#2
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Other considerations which may play a part is the state of the reeds prior to installing new ones, and if the bike had been leaned off to compensate for damaged reeds. Then yes you'll need to richen things up again. A pipe will rarely require a clip change. IMO the change of seasons will probably have more variance on your jetting than a fresh set of reeds (assuming the old weren't damaged, and that the engine is within spec). Only you as the person riding the bike will truly be able to tell if its rich or lean. Use what you have available and play. Easy enough to pull the choke a bit and see if things get better, or stuff a rag in the airbox. Does it get better as it approaches temp or does it flatten out and start to run hot? Hanging idle? Whats the plug look like? Spooge from exhaust? Exhaust note? (may be hard to judge due to being new). |
#3
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You could try a 40 slow jet.
Where did you get your pro race carbon fiber reeds from? Have been thinking about upgrading my 02 to some better reeds.
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02 300ec- 50mm Marzocchi cc forks, 2010 plastic. Now a 250cc. |
#4
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#5
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Got from GG uk for about ?80, I also aske boyeson direct it was about ?60 but was in sure of import tax and delivery time
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#6
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Definitely go by what you feel/how the bike acts, pay attention to any bogs or blubbers throughout the rpm range telling you of a lean or rich condition, try and pinpoint at what throttle range its happening and make changes accordingly. Weather/elevation will be the bigger factors also how old/fresh your topend is will also factor into jetting
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Hopeing for a GasGas |
#7
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low rpm burble is not as bad but since i set the A/S, it feels a tad lean as i get a little pop in high rev range, so on monday im going to go fro a ride with a screw driver and set propperly. elevation for my county is only 200m |
#8
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Todd how easy was it to fit the 2010 plastics mate
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#9
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#10
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got the RM NEDW one yesterday so going to have a play with that and pop to a bike shop to see whatjets i can get
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