Faster starting for XC - Kawasaki KFX450 Forum :: KFX450HQ.com
Engine/EFI/Drivetrain Discuss engine, fuel injection, air intake, and drivetrain modifications here.

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post #1 of 30 (permalink) Old 07-01-2019, 05:24 PM Thread Starter
XCJ
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Faster starting for XC

I’ve been starting in neutral and the bike fires real fast but I have noticed that if I stall in the woods or try to start in gear off the line, with the clutch in, that it really struggles to start. It will crank and crank, sometimes I just give up and shift to neutral to start once I stall. What could help me? Stock bike, new plug every few weeks and oil changed after every race. It’s a 2014 with very low hours. I was thinking worn clutch or weak coil. Thanks guys.
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post #2 of 30 (permalink) Old 07-02-2019, 05:54 PM Thread Starter
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I installed a Accel coil and plug wire today and it starts a lot better in gear, but I feel like it could still be better. I have a intake and fuel controller on the way so maybe that will help it, idk. Any ideas would be great. It still takes about 2 cranks to fire sometimes, if that makes sense.
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post #3 of 30 (permalink) Old 07-02-2019, 06:30 PM
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Add a 240amp lithium battery.

08 KFX450r- DASA, FCI, Stage 2 Hotcams, Wiseco Programmer, Procom, Dynatek Coil, 6K HID, 7" LED Light Bar.

Race Tech dual rate front springs, GT thunder XC Link and Race tech spring

Poly Case Saver, Streamline Stabilizer, Full PRM Skidplates, Pro Armor Bumpers, Tusk Heel Guards, TRX Rear Hubs, IMS 3.7 tank
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post #4 of 30 (permalink) Old 07-02-2019, 07:33 PM Thread Starter
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Quote:
Originally Posted by blue99stroker View Post
Add a 240amp lithium battery.
Thanks for the reply. Would that just make my starter crank harder and faster? If I could start in second like the guys that battle for the holeshot here I could really step up my game and miss getting stuck in traffic.
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post #5 of 30 (permalink) Old 07-02-2019, 07:53 PM
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Yes.

The lithium batteries crank so strong.

Also adjust your TPS to .62

This also makes starting easier!

08 KFX450r- DASA, FCI, Stage 2 Hotcams, Wiseco Programmer, Procom, Dynatek Coil, 6K HID, 7" LED Light Bar.

Race Tech dual rate front springs, GT thunder XC Link and Race tech spring

Poly Case Saver, Streamline Stabilizer, Full PRM Skidplates, Pro Armor Bumpers, Tusk Heel Guards, TRX Rear Hubs, IMS 3.7 tank
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post #6 of 30 (permalink) Old 07-02-2019, 09:23 PM Thread Starter
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Ok, my battery is the factory 100cca. I can get a 210amp shorai battery from summit racing for around $140(I get my parts next day because I’m in Ohio) and I’m ordering new rears from them anyways, think that’ll do? I didn’t see 240 amp on MotoSport either. Really hoping to fire this thing at the touch of a button.
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post #7 of 30 (permalink) Old 07-02-2019, 10:50 PM
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Factory is only 70cca!

It’s rather pathetic.

The shorai 210 will be great. I think antigravity makes the 240cca one

If the battery isn’t quite enough set the tps to .62

08 KFX450r- DASA, FCI, Stage 2 Hotcams, Wiseco Programmer, Procom, Dynatek Coil, 6K HID, 7" LED Light Bar.

Race Tech dual rate front springs, GT thunder XC Link and Race tech spring

Poly Case Saver, Streamline Stabilizer, Full PRM Skidplates, Pro Armor Bumpers, Tusk Heel Guards, TRX Rear Hubs, IMS 3.7 tank
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post #8 of 30 (permalink) Old 07-03-2019, 05:19 PM Thread Starter
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I was just going off of the model number. I tried to adjust the TPS today but I can’t get my fluke into the plug, like I figured would happen. I got to order the adapter now unless I missed a secret. Going to get the battery also. When I measure the volts on my battery, it sits at 12.8 but when I start it the voltage drops to 9.2 volts. The bigger battery should keep the voltage up and thus making it crank harder and faster I assume.
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post #9 of 30 (permalink) Old 07-04-2019, 01:16 PM
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Yea it will definitely keep the starter spinning quick.

Order the adapter for 20$

It’s well worth it.

Also, turn idle up a few clicks.

Should have a kfx that starts in an instant with all those things

08 KFX450r- DASA, FCI, Stage 2 Hotcams, Wiseco Programmer, Procom, Dynatek Coil, 6K HID, 7" LED Light Bar.

Race Tech dual rate front springs, GT thunder XC Link and Race tech spring

Poly Case Saver, Streamline Stabilizer, Full PRM Skidplates, Pro Armor Bumpers, Tusk Heel Guards, TRX Rear Hubs, IMS 3.7 tank
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post #10 of 30 (permalink) Old 07-05-2019, 11:10 AM
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I am currently running 2 batteries on my kfx. They are ran in parallel which gives me around 225cca. It absolutely helps!!. When mine was all stock the battery was down to 12.7v and dropped to like 9 or 10 v when it tried to start. It was really hard to start like that. One day i had a second kfx battery present and hooked jumper cables to it (positive to positive and negative to negative) and it started right up. So i fabricated a battery box and have had 2 batteries ever since. It really helps. I also have a procom regulator and it boosted my charging system from a consistent 13.7v to 14.5v. It really helps as well but it was like 90 bucks. Well worth it. Ive ran into 4 other things that make it hard to start so if this doesnt work maybe i can suggest another area depending on exactly what it does.
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