Hawk 250 oil leak from silver hole

jatgm1 · 08-07-2018, 04:53 PM

On my hawk 250 on the left side of the bike there is this weird silver cap looking thing that has two circular holes in in that it looks like u use to unscrew. It's leaking from it. I don't know what it is though.

**JerryHawk250** · 08-07-2018, 05:38 PM

Which one is leaking? if it's the lower one then remove it and check the oring for damage. Or it may just be lose and needs to be snugged up. If it is the one on the cylinder jug, do not remove it. It is the cam follower shaft and you don't want the cam followers to fall into the crank case.

jatgm1 · 08-07-2018, 06:24 PM

It's in the cylinder jug where can I get the tool

**JerryHawk250** · 08-07-2018, 07:20 PM

My hawk has a slot for a flat blade screw driver. Take a picture and post so we can help.

NATEB1 · 08-08-2018, 07:40 AM

Hey does anybody know where to get the after market digital gauge cluster for the Hawk 250? Also has anybody had an issue with the oil filling up in he air box and causing the bike to run like crap. It just started doing this to me and I only have 300 miles on the bike. Before ran like a champ. I was wondering if I should just do away with the air box and put a aftermarket air intake or put a PCV on it.

Cravin01 · 08-08-2018, 10:06 AM

The oil is probably blowby, make sure you don't overfill your oil and check your case vent tube PCV valve. the case will pressurize and oil will get past the rings.

this helps explain it.

https://en.wikipedia.org/wiki/Crankc...ilation_system

https://www.motorcyclecruiser.com/un...rcycle-engines

Quoted from motorcyclecruiser.com :

" If you went through those first few hundred miles without ever holding the throttle open or revving to the power peak—or only did it once or twice—your rings probably never seated".

jatgm1 · 08-08-2018, 10:30 AM

What is this and how do I tighten it, and where can I get a gasket and how do I replace the gasket.

**JerryHawk250** · 08-08-2018, 11:39 AM

see attached Name: cam follower Page 001.jpg
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Name: cam follower Page 002.jpg
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Riggs · 08-09-2018, 07:14 AM

Quote:

Originally Posted by jatgm1

On my hawk 250 on the left side of the bike there is this weird silver cap looking thing that has two circular holes in in that it looks like u use to unscrew. It's leaking from it. I don't know what it is though.

You need a spanner wrench.

ChrisWNY · 08-09-2018, 07:54 AM

The cap is definitely different than the one on my Hawk's engine...it's slotted the same as the cap above the flywheel on the crank case. Spanner wrench is the way to go.

08-07-2018, 04:53 PM	#1
jatgm1 Join Date: Apr 2017 Posts: 147	Hawk 250 oil leak from silver hole On my hawk 250 on the left side of the bike there is this weird silver cap looking thing that has two circular holes in in that it looks like u use to unscrew. It's leaking from it. I don't know what it is though.
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08-07-2018, 05:38 PM	#2
JerryHawk250 Moderator Join Date: Oct 2016 Location: Houma, La. Posts: 11,578	Which one is leaking? if it's the lower one then remove it and check the oring for damage. Or it may just be lose and needs to be snugged up. If it is the one on the cylinder jug, do not remove it. It is the cam follower shaft and you don't want the cam followers to fall into the crank case. __________________ 2023 Lifan Lycan 250 Chopper 2023 Venom Evader 2022 Lifan KPX250 2020 Kawasaki Vulcan S 2004 Honda ST 1300 2016 Black Hawk 250 (sold) Keihin PE30 carb,125 main,38 slow.Pod filter,ported & decked head 10:1 CR,Direct Ignition Coil,15/40Sprockets,NGK DPR8EIX-9,De-Cat,Dual Oil Cooler,Digital Cluster 2016 Cazador180 XL 2014 Coolster150 JerryHawk250.com My YouTube Channel Last edited by JerryHawk250; 08-08-2018 at 01:29 PM.
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08-07-2018, 07:20 PM	#4
JerryHawk250 Moderator Join Date: Oct 2016 Location: Houma, La. Posts: 11,578	My hawk has a slot for a flat blade screw driver. Take a picture and post so we can help. __________________ 2023 Lifan Lycan 250 Chopper 2023 Venom Evader 2022 Lifan KPX250 2020 Kawasaki Vulcan S 2004 Honda ST 1300 2016 Black Hawk 250 (sold) Keihin PE30 carb,125 main,38 slow.Pod filter,ported & decked head 10:1 CR,Direct Ignition Coil,15/40Sprockets,NGK DPR8EIX-9,De-Cat,Dual Oil Cooler,Digital Cluster 2016 Cazador180 XL 2014 Coolster150 JerryHawk250.com My YouTube Channel
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08-08-2018, 10:06 AM	#6
Cravin01 Join Date: Jan 2018 Location: Forney Texas Posts: 498	The oil is probably blowby, make sure you don't overfill your oil and check your case vent tube PCV valve. the case will pressurize and oil will get past the rings. this helps explain it. https://en.wikipedia.org/wiki/Crankc...ilation_system https://www.motorcyclecruiser.com/un...rcycle-engines Quoted from motorcyclecruiser.com : " If you went through those first few hundred miles without ever holding the throttle open or revving to the power peak—or only did it once or twice—your rings probably never seated". __________________ Visit me on YouTube at "Project Next"! https://www.youtube.com/channel/UC6KTCi2GVbfRDv-2XCqHhsg?view_as=subscriber 2017 Bashan Storm Keihen PZ30 Pumper Carb,115 main jet,35 pilot jet, gutted factory exhaust, Sambo Digital Speedometer,LED blinkers, H4 headlight,D.I.D X-ring chain 428,17/42 sprockets,UNI cone filter.
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08-08-2018, 11:39 AM	#8
JerryHawk250 Moderator Join Date: Oct 2016 Location: Houma, La. Posts: 11,578	see attached __________________ 2023 Lifan Lycan 250 Chopper 2023 Venom Evader 2022 Lifan KPX250 2020 Kawasaki Vulcan S 2004 Honda ST 1300 2016 Black Hawk 250 (sold) Keihin PE30 carb,125 main,38 slow.Pod filter,ported & decked head 10:1 CR,Direct Ignition Coil,15/40Sprockets,NGK DPR8EIX-9,De-Cat,Dual Oil Cooler,Digital Cluster 2016 Cazador180 XL 2014 Coolster150 JerryHawk250.com My YouTube Channel
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08-07-2018, 06:24 PM	#3
jatgm1 Join Date: Apr 2017 Posts: 147	It's in the cylinder jug where can I get the tool
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08-08-2018, 07:40 AM	#5
NATEB1 Join Date: Aug 2018 Posts: 4	Hey does anybody know where to get the after market digital gauge cluster for the Hawk 250? Also has anybody had an issue with the oil filling up in he air box and causing the bike to run like crap. It just started doing this to me and I only have 300 miles on the bike. Before ran like a champ. I was wondering if I should just do away with the air box and put a aftermarket air intake or put a PCV on it.
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08-09-2018, 07:54 AM	#10
ChrisWNY Join Date: Jul 2018 Posts: 212	The cap is definitely different than the one on my Hawk's engine...it's slotted the same as the cap above the flywheel on the crank case. Spanner wrench is the way to go. __________________ 2018 RPS Hawk 250cc Mods so far: 1. Mikuni VM26 Carburetor w/#115 main jet 2. 17T/45T JT sprockets 3. JT 428 X-ring chain 4. Air box mod 5. Hawk Digital Cluster 6. Aftermarket IMS shift lever 7. Performance Aftermarket Exhaust 8. 295mm Nitrogen Gas Monoshock, 20W oil front forks
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