Jetting or ignition - Kawasaki ATV Forum
Kawasaki KFX700 V-Force Kawasaki's big-bore, V-twin sport machine!

 
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post #1 of 8 Old 06-09-2019, 04:46 PM Thread Starter
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I just got done doing a stock rebuild on this kfx700 2006. it has hot rods crankshaft hot rods connecting rods Namura Pistons all new Kible valves all new chains and tensioners hot rods water pump. I have 42 pilot Jets two and a half turns out and I have 148 front cylinder main jet and a 150 rear main jet. It seems like it's running on the rev limiter and I know it's not even halfway through its RPM band I pulled the plugs and they look black.so at this point I think it's running rich and I have an ignition box problem the ignition box that's on it is a dynatek FS digital ignition from glendora California.
I need to get this running good so I can sell it.
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Last edited by N-gin; 06-09-2019 at 04:48 PM.
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post #2 of 8 Old 06-09-2019, 05:03 PM Thread Starter
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I took it down the road at full throttle it was popping out the exhaust the whole time and not going faster than 40mph. I let off to about half throttle and it didn't pop as much and went a tad faster.
What you guys think?
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post #3 of 8 Old 06-09-2019, 06:21 PM
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Stock cams?
Is the airbox modified in any way, extra holes, etc?
Keihin main jets?

2002 698 Prairie
VFJ 11.5:1 coated pistons
FST Stage II Cams
Fundy Performance Porting, 1mm milled off heads
Kibblewhite valves
Crossover intakes
Modded airbox
Full Muzzy
Custom machined stock weights
VFJ Springs
DynaTek CDI
Other weird stuff

2011 Stratos 186XT Bass Boat
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post #4 of 8 Old 06-09-2019, 06:22 PM
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Do I see duct tape on the airbox?

2002 698 Prairie
VFJ 11.5:1 coated pistons
FST Stage II Cams
Fundy Performance Porting, 1mm milled off heads
Kibblewhite valves
Crossover intakes
Modded airbox
Full Muzzy
Custom machined stock weights
VFJ Springs
DynaTek CDI
Other weird stuff

2011 Stratos 186XT Bass Boat
Mercury Optimax 115hp
Minn Kota 70lb 24v trolling motor
Lowrance HDS 10 Electronics
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post #5 of 8 Old 06-10-2019, 08:14 AM Thread Starter
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I put tape on the box cause I thought it was getting too much air for the (at the time) 38 pilot-140 mains. Also not my work.
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post #6 of 8 Old 06-10-2019, 08:18 AM Thread Starter
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As for the jets I got a bunch in a pack off eBay. They fit the carb, but as of them being Keihin brand, no. I wouldn't think so.
I would also like to mention that there are 1mm washers under the stock needles.

Cams are stock, I think. They do look stock. I just reused them cause they looked good.
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post #7 of 8 Old 06-10-2019, 02:04 PM
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If those are Dynojet jets in there, they're way bigger than stock.

2002 698 Prairie
VFJ 11.5:1 coated pistons
FST Stage II Cams
Fundy Performance Porting, 1mm milled off heads
Kibblewhite valves
Crossover intakes
Modded airbox
Full Muzzy
Custom machined stock weights
VFJ Springs
DynaTek CDI
Other weird stuff

2011 Stratos 186XT Bass Boat
Mercury Optimax 115hp
Minn Kota 70lb 24v trolling motor
Lowrance HDS 10 Electronics
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post #8 of 8 Old 06-15-2019, 08:20 AM Thread Starter
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Quote:
Originally Posted by NovaKaw650 View Post
If those are Dynojet jets in there, they're way bigger than stock.
Well yeah I told you guys 148/150
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