2012 Brute 750 starting Issues - Kawasaki ATV Forum
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post #1 of 9 Old 02-04-2019, 10:17 AM Thread Starter
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2012 Brute 750 starting Issues

I recently bought a 2012 brute 750i with EPS. For some reason i have to give it some gas to crank. I cant just hit the green start button. Also when its running it seems like the engine idle is low. To low for me. I replaced the spark plugs on both heads and cleaned out the air filter. The previous owner only ran the bike in WV trails so he had put some grease all over the filter and I think it was struggling to get air.
Some people have said it could be valves. The bike runs strong and good. I have never owned a EFI bike that you could not just hit the start and it crank. Someone also mention I could adjust the idle also. Im trying to avoid taking it to the dealer. Any and all help will be appreciated. Thanks
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post #2 of 9 Old 02-04-2019, 10:25 AM
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Always go through all the basics first like valve lash, air filter, fuel supply, voltage testing along with connections. Then for a situation like yours I would test the TPS and idle-air systems.

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post #3 of 9 Old 02-04-2019, 11:30 AM Thread Starter
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How do you test the TPS and idle air system?
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post #4 of 9 Old 02-04-2019, 11:44 AM
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Quote:
Originally Posted by 12CamoBruteNasty View Post
How do you test the TPS and idle air system?
All is covered in the service manual. Here:


https://files.acrobat.com/a/preview/...5-c5d63cf8e194

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post #5 of 9 Old 02-04-2019, 12:24 PM Thread Starter
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thats what I was looking for Thank you!

Also im changing the oil and wanted to Run T6 10w40 Rotella. It is better on dino oil or synthetic Thanks
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post #6 of 9 Old 02-05-2019, 07:57 AM Thread Starter
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still no luck. I removed the idle air unit and took it apart it was pretty clean all expect the end of it. I wiped it off. No luck. It still requires me to give it gas to start.

Any ideas ?
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post #7 of 9 Old 02-05-2019, 08:46 AM
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How did the TPS test-out? Have you checked the boots for cracks? How about the valve lash?

06 BF 750(SOLD)

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post #8 of 9 Old 02-05-2019, 01:28 PM
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Quote:
Originally Posted by 12CamoBruteNasty View Post
I recently bought a 2012 brute 750i with EPS. For some reason i have to give it some gas to crank. I cant just hit the green start button. Also when its running it seems like the engine idle is low. To low for me. I replaced the spark plugs on both heads and cleaned out the air filter. The previous owner only ran the bike in WV trails so he had put some grease all over the filter and I think it was struggling to get air.
Some people have said it could be valves. The bike runs strong and good. I have never owned a EFI bike that you could not just hit the start and it crank. Someone also mention I could adjust the idle also. Im trying to avoid taking it to the dealer. Any and all help will be appreciated. Thanks
Did you clean the grease out of the filter, like really clean it out? I wouldn't count on a water based cleaner to cut through it if it was really slopped on.

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post #9 of 9 Old 02-07-2019, 06:57 AM Thread Starter
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Quote:
Originally Posted by 12CamoBruteNasty View Post
I recently bought a 2012 brute 750i with EPS. For some reason i have to give it some gas to crank. I cant just hit the green start button. Also when its running it seems like the engine idle is low. To low for me. I replaced the spark plugs on both heads and cleaned out the air filter. The previous owner only ran the bike in WV trails so he had put some grease all over the filter and I think it was struggling to get air.
Some people have said it could be valves. The bike runs strong and good. I have never owned a EFI bike that you could not just hit the start and it crank. Someone also mention I could adjust the idle also. Im trying to avoid taking it to the dealer. Any and all help will be appreciated. Thanks
Did you clean the grease out of the filter, like really clean it out? I wouldn't count on a water based cleaner to cut through it if it was really slopped on.
yes i had to soak in gas to clean. They I let it air out over night

bike def runs better but still wants to go to low idle when coming to a stop. I think ill order a Idle air contoller. Its like 100.00 and easy to put on
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