Oil in the Air Box
- daveo
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Oil in the Air Box
05 Jul 2024 19:39 - 05 Jul 2024 20:03
Was finding oil puddling in the bottom of my air box...
It was coming out the rubber hose that connects the breather cover to the air box, and making a bloody mess...
Is that a common issue with the big fours?
It was coming out the rubber hose that connects the breather cover to the air box, and making a bloody mess...
Is that a common issue with the big fours?
1982 KZ1100-A2
Last edit: 05 Jul 2024 20:03 by daveo.
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- SWest
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Re: Oil in the Air Box
05 Jul 2024 21:17
Are you riding it hard?
Z1b1000 1975 Z1b
kzrider.com/forum/11-projects/598262-kz-...-will-it-live#672882
kzrider.com/forum/2-engine/597654-poser?start=240#704229
kzrider.com/forum/11-projects/598262-kz-...-will-it-live#672882
kzrider.com/forum/2-engine/597654-poser?start=240#704229
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- daveo
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Re: Oil in the Air Box
05 Jul 2024 22:19 - 05 Jul 2024 22:25
Probably, but not more than usual...well, maybe a little.
But I don't feel guilty...she likes it you know.
But I don't feel guilty...she likes it you know.
1982 KZ1100-A2
Last edit: 05 Jul 2024 22:25 by daveo.
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- Warren3200gt
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Re: Oil in the Air Box
06 Jul 2024 01:38 - 06 Jul 2024 01:41
Time for a compression test. Oil in the air box is caused by excessive positive crankcase pressure due to compression blowby then venting through the crankcase breather.
Last edit: 06 Jul 2024 01:41 by Warren3200gt.
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- Wookie58
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Re: Oil in the Air Box
06 Jul 2024 02:04
Excess crankcase pressure can also be caused by a blockage/restriction in the breather system
1982 KZ1000 Ltd
www.kzrider.com/forum/11-projects/617631...-82-begins?start=192
kzrider.com/filebase-alias?view=download...d-fault-diagnosis&ca
www.kzrider.com/forum/11-projects/617631...-82-begins?start=192
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- hugo
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Re: Oil in the Air Box
06 Jul 2024 02:16
.............................................or overfilling the crank with oil.
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- Nessism
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Re: Oil in the Air Box
06 Jul 2024 06:03
How much oil? Some light residue is normal. A puddle, is not. Also, what type of oil are you using? It may be time for 20W-50, if you ride when it's warm.
Ed
Carb O-ring Kits : www.kzrider.com/forum/3-carburetor/61807...-o-ring-kits?start=0
www.kzrider.com/forum/faq-wiki/618026-new-owner-things-to-know
1981 KZ750E2
www.kzrider.com/forum/11-projects/604901...z750e-project-thread
Carb O-ring Kits : www.kzrider.com/forum/3-carburetor/61807...-o-ring-kits?start=0
www.kzrider.com/forum/faq-wiki/618026-new-owner-things-to-know
1981 KZ750E2
www.kzrider.com/forum/11-projects/604901...z750e-project-thread
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- daveo
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Re: Oil in the Air Box
06 Jul 2024 13:21 - 06 Jul 2024 13:27
Been using Rotella 15W40 T4...
Wasn't finding much oil, but residue buildup over the span of several 5-8k rpm rides.
This stopped that completely:
...and there are no oil leaks anywhere on the motor!
Dry as a bone!
Wasn't finding much oil, but residue buildup over the span of several 5-8k rpm rides.
This stopped that completely:
...and there are no oil leaks anywhere on the motor!
Dry as a bone!
1982 KZ1100-A2
Last edit: 06 Jul 2024 13:27 by daveo.
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- F64
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Re: Oil in the Air Box
06 Jul 2024 16:28
Yeah, That's why I put oil vapor catch cans on my cars.
Gotta love sending oil vapors into your cylinder.
Drops the octane value on your gasoline.
Which makes you more susceptible to detonation.
Not emissions friendly but I reroute the hose to vent below the bike. Plug the airbox fitting.
You could put a pressure gauge on the hose to see how much blowby you are getting.
Mike Nixon's opinion on this
motorcycleproject.com/text/crankcase_recirc.html
Gotta love sending oil vapors into your cylinder.
Drops the octane value on your gasoline.
Which makes you more susceptible to detonation.
Not emissions friendly but I reroute the hose to vent below the bike. Plug the airbox fitting.
You could put a pressure gauge on the hose to see how much blowby you are getting.
Mike Nixon's opinion on this
motorcycleproject.com/text/crankcase_recirc.html
81-KZ440-D2.
Louis Dudzik's GM HEI ignitor conversion installed 2015 s3.amazonaws.com/gpzweb/Ignition/GPZgmHEImod.html
Motogadget m-unit blue installed 2017.
LIC, NY
Louis Dudzik's GM HEI ignitor conversion installed 2015 s3.amazonaws.com/gpzweb/Ignition/GPZgmHEImod.html
Motogadget m-unit blue installed 2017.
LIC, NY
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- daveo
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Re: Oil in the Air Box
06 Jul 2024 18:09 - 06 Jul 2024 19:16
7/06/24 compression check results:
cyl psi
1 & 4 160
2 & 3 145-150
Half a quart of oil evaporated on today's 100 +/- mile ride...
She loved every breathtaking moment through which we flew!!!
cyl psi
1 & 4 160
2 & 3 145-150
Half a quart of oil evaporated on today's 100 +/- mile ride...
She loved every breathtaking moment through which we flew!!!
1982 KZ1100-A2
Last edit: 06 Jul 2024 19:16 by daveo.
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- Wookie58
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Re: Oil in the Air Box
07 Jul 2024 04:37Love that solution Dave, is that "ram air" filter foam or something similar that won't cause a pressure build up??
1982 KZ1000 Ltd
www.kzrider.com/forum/11-projects/617631...-82-begins?start=192
kzrider.com/filebase-alias?view=download...d-fault-diagnosis&ca
www.kzrider.com/forum/11-projects/617631...-82-begins?start=192
kzrider.com/filebase-alias?view=download...d-fault-diagnosis&ca
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- daveo
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Re: Oil in the Air Box
07 Jul 2024 06:14 - 07 Jul 2024 06:18
Yes, and it performs much better than expected.
It's a strip cut from a sheet of RamAir filter media I acquired nearly ten years ago.
It may be similar to the material used in their product offerings today.
It's a strip cut from a sheet of RamAir filter media I acquired nearly ten years ago.
It may be similar to the material used in their product offerings today.
1982 KZ1100-A2
Last edit: 07 Jul 2024 06:18 by daveo.
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