Tick over issue / slipping clutch - Kawasaki Forum :: KawasakiWorld.com
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post #1 of 24 Old 03-30-2019, 10:01 AM Thread Starter
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Tick over issue / slipping clutch

Hi

Hope you are all well .

So I did the Kleen air mod . Bike is running pants on tick over .Basically it is like riding a bucking bronko. I had a zx12 around 6 years ago and did the same mod had no issues at all. . As mentioned in another post the thread I was following on the kleen air removal has now suddenly disappeared off the net . However it's quite an easy mod to remember . Am going to take another look and make sure the holes are fully bunged up on both sides of airbox/ frame . Is there anything else I should be looking out for ? I have read that you can leave the crank case breather attached to the bottom of the airbox / frame and then buy some block of plates for the top of the engine . Is this a better option. Cheers

So the clutch is slipping like a good one . Am guessing it's just new clutch plates etc . Or could it be an other issue .

Thanks again from the UK
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post #2 of 24 Old 03-30-2019, 06:04 PM
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you may have some vac lines off or in the wrong spot?

01 ZX-12R 8.84 @ 156.3 on dot tires, NA.... turbo 8.47 @ 164
00 ZX-12R 8.62 @ 165.2 no bars, slicks, 55 shot... turbo 8.32 @ 173
00 ZX-12R 1: 222.046 1.5: 226.390 Worlds Fastest NA Kawasaki
00 ZX-12R street turbo 1: 227.9 1.5: 234.1
00 ZX-12R LSR turbo 1: 263.1 1.5: 266.5 Worlds fastest ZX-12R CMG Racing RCC Turbos
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post #3 of 24 Old 03-31-2019, 07:15 AM Thread Starter
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Hi so here are some pics of my mod . Thoughts please if this is correct . Not sure what vac pipes am looking for . Checked holes I have bunged up . All seem good . Question is it better option to reattach the crank breather to airbox / frame and buy some plates to cover the 2 holes on top of engine ?
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post #4 of 24 Old 03-31-2019, 01:15 PM
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Your trying to evacuate the case with the 2 little holes that are in the exhaust port?
Although evacuation of a case may have benefits if enough vacuum can be provided,
I seriously doubt that this setup has ever worked. Using a mini K&N or equivalent in the case breather line is a good option.
Blocking air being introduced into the exhaust stream has much better benefits for tuning your pc3 or pc5.

cmg
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post #5 of 24 Old 03-31-2019, 04:49 PM
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Tick over problem, do you happen to also have an open exhaust system?
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post #6 of 24 Old 03-31-2019, 05:12 PM
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Quote:
Originally Posted by color me gone View Post
Your trying to evacuate the case with the 2 little holes that are in the exhaust port?
Although evacuation of a case may have benefits if enough vacuum can be provided,
I seriously doubt that this setup has ever worked. Using a mini K&N or equivalent in the case breather line is a good option.
Blocking air being introduced into the exhaust stream has much better benefits for tuning your pc3 or pc5.

cmg
it actually pulls pretty good vac. its worth about 2hp as seen on the schnitz dyno yrs ago on i forget whos bike now... if you dont need to measure AFR, i would do it. one of the little tricks i used to go 200+ on the redsled when it had a stock motor.

01 ZX-12R 8.84 @ 156.3 on dot tires, NA.... turbo 8.47 @ 164
00 ZX-12R 8.62 @ 165.2 no bars, slicks, 55 shot... turbo 8.32 @ 173
00 ZX-12R 1: 222.046 1.5: 226.390 Worlds Fastest NA Kawasaki
00 ZX-12R street turbo 1: 227.9 1.5: 234.1
00 ZX-12R LSR turbo 1: 263.1 1.5: 266.5 Worlds fastest ZX-12R CMG Racing RCC Turbos
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post #7 of 24 Old 03-31-2019, 05:16 PM
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i dont see clear shots of the vac lines that could have come undone in your pics. they would be small ones on the throttle bodies that tie together to the map sensor etc.

01 ZX-12R 8.84 @ 156.3 on dot tires, NA.... turbo 8.47 @ 164
00 ZX-12R 8.62 @ 165.2 no bars, slicks, 55 shot... turbo 8.32 @ 173
00 ZX-12R 1: 222.046 1.5: 226.390 Worlds Fastest NA Kawasaki
00 ZX-12R street turbo 1: 227.9 1.5: 234.1
00 ZX-12R LSR turbo 1: 263.1 1.5: 266.5 Worlds fastest ZX-12R CMG Racing RCC Turbos
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post #8 of 24 Old 03-31-2019, 05:48 PM
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Quote:
Originally Posted by KZScott View Post
Quote:
Originally Posted by color me gone View Post
Your trying to evacuate the case with the 2 little holes that are in the exhaust port?
Although evacuation of a case may have benefits if enough vacuum can be provided,
I seriously doubt that this setup has ever worked. Using a mini K&N or equivalent in the case breather line is a good option.
Blocking air being introduced into the exhaust stream has much better benefits for tuning your pc3 or pc5.

cmg
it actually pulls pretty good vac. its worth about 2hp as seen on the schnitz dyno yrs ago on i forget whos bike now... if you dont need to measure AFR, i would do it. one of the little tricks i used to go 200+ on the redsled when it had a stock motor.
That’s impressive. Can’t imagine that it would have that much vacuum.
Probably should tune first and then use a evac. I read we’re someone used a air pump for big vac. for a big gain in power.
But the oil light would come on. Do you recall that story?

cmg
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post #9 of 24 Old 04-01-2019, 04:52 AM Thread Starter
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Thanks for post . it's a Yochashima slip on exhaust
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post #10 of 24 Old 04-01-2019, 02:46 PM
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Quote:
Originally Posted by color me gone View Post
Thatís impressive. Canít imagine that it would have that much vacuum.
Probably should tune first and then use a evac. I read weíre someone used a air pump for big vac. for a big gain in power.
But the oil light would come on. Do you recall that story?

cmg
only works on na stuff tho. turbo systems build back pressure in the exh.

i do remember it. some guys run the fbg pumps on busas that make a lot more oil pressure, so their light wouldnt flicker. we get pretty low pressure at idle on a 12 without modifications. basically what happens is the oil pump gets help forcing the oil through the system. where it all leaks out around bearings etc is getting sucked out slightly. a big push on one end and a little pull on the other. you likely get more oil pumping through the motor without building quite as much pressure. pressure is only resistance to flow.

01 ZX-12R 8.84 @ 156.3 on dot tires, NA.... turbo 8.47 @ 164
00 ZX-12R 8.62 @ 165.2 no bars, slicks, 55 shot... turbo 8.32 @ 173
00 ZX-12R 1: 222.046 1.5: 226.390 Worlds Fastest NA Kawasaki
00 ZX-12R street turbo 1: 227.9 1.5: 234.1
00 ZX-12R LSR turbo 1: 263.1 1.5: 266.5 Worlds fastest ZX-12R CMG Racing RCC Turbos
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post #11 of 24 Old 04-02-2019, 06:23 AM Thread Starter
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Hi . Well am stumped . Tried 2 things today . Put the crank pipe back in position ....back end of the frame . Them joined the 2 plate holes up with origanal pipes and a piece in the middle joining them. Blocked the hole top right of frame and then blocked off the small pipe that goes to carbs . Still not ticking over correctly .Then basically put the kleen air back to the original position ....again still not ticking over . Not sure what to do next . Was thinking block off plates but basically already sort of done that with joining them . Thoughts . I did this mod on last bike with no issue at all . Had a blue flame exhaust this one has a Yochashima...that the only visable difference . It's going off one of the pots . Could it be bad plugs . Could it be bad fuel . Thoughts please
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post #12 of 24 Old 04-02-2019, 10:44 AM Thread Starter
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Av put pipercross air filters in it ..... could it be these ? Would K & N be better ?
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post #13 of 24 Old 04-02-2019, 03:45 PM
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air filters wont do it. go over the basics. vac lines unplugged at t fittings or popped off on the tbs?.

new plugs (cr9e work great and are cheaper).

fresh gas.

01 ZX-12R 8.84 @ 156.3 on dot tires, NA.... turbo 8.47 @ 164
00 ZX-12R 8.62 @ 165.2 no bars, slicks, 55 shot... turbo 8.32 @ 173
00 ZX-12R 1: 222.046 1.5: 226.390 Worlds Fastest NA Kawasaki
00 ZX-12R street turbo 1: 227.9 1.5: 234.1
00 ZX-12R LSR turbo 1: 263.1 1.5: 266.5 Worlds fastest ZX-12R CMG Racing RCC Turbos
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post #14 of 24 Old 04-03-2019, 07:20 AM Thread Starter
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Cheers on it . Let's see what I find .
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post #15 of 24 Old 04-03-2019, 01:23 PM
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Just a thought here, you didn't happen to disconnect then reconnect the TPS & IAP sensors during the kleen air removal process did you?

You probably know already, but that can cause similar running conditions if the sensors are crossed up (been there, done that!).

Just trying to think this through as well.

Don.
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