Oil Plug blown Out!!!!!!

WeeMan · Post by **WeeMan** » Tue Jul 09, 2013 12:18 pm

Is this a common issue. I have an af05e engine and have replace the oil pump with a plug from daywot. The plug fits in perfectly but just now blew out under revs. Have I fitted it wrong?

Cheers

Danny

Red Eft Performance · Tue Jul 09, 2013 12:36 pm

The plugs don't like to stay in on there own. You need to make something to hold it in.

WeeMan · Post by **WeeMan** » Tue Jul 09, 2013 2:23 pm

That makes sense lol. I have just put a washer in with a nut for temporary it works fine for now. Think I have too much crankcase pressure any how. Thanks for the response.

Cheers

Danny

paulpauly7 · Post by **paulpauly7** » Tue Jul 09, 2013 3:11 pm

what makes you think you have to much case pressure?

WeeMan · Post by **WeeMan** » Tue Jul 09, 2013 4:07 pm

paulpauly7 wrote:what makes you think you have to much case pressure?

I have Malossi head, barrel and piston. I stripped it down and replaced all seals and gaskets, Did a compression test and got 195 psi. From reading the forums this seems high?

Cheers

Danny

paulpauly7 · Post by **paulpauly7** » Tue Jul 09, 2013 4:51 pm

i have the same setup on another bike compression is at 155psi i only run it on 98octane with full synthic oil and have done over 2000kms on it the piston looks mint as well as the bore

paulpauly7 · Post by **paulpauly7** » Tue Jul 09, 2013 10:50 pm

would someone be silly enough to fit a kit with no base gasket ?

deuce217 · Post by **deuce217** » Wed Jul 10, 2013 1:06 am

195 psi is high. Add a thicker head gasket.

paulpauly7 · Post by **paulpauly7** » Wed Jul 10, 2013 2:24 am

or two headgaskets

WeeMan · Post by **WeeMan** » Wed Jul 10, 2013 2:48 am

Yep base gasket is on.

Its got the malossi head which has the rubber band type gasket. Can you add to this?

Cheers

Danny

WeeMan · Post by **WeeMan** » Wed Jul 10, 2013 3:12 am

Standard Honda Crank. I looked for the malossi one but could not find one in the UK.

kingkamehameha · Post by **kingkamehameha** » Wed Jul 10, 2013 7:19 am

Hondabond the plug and hold the plug in with a washer. The earlier made plugs you would have to tap in with a mallet i guess they just got sloppy in producion with the newer ones

WeeMan · Post by **WeeMan** » Thu Jul 11, 2013 3:17 am

My plug does stick out about 2mm but I did not want to give it a tap with the hammer in case I split the case? Should it fit flush with the case? Its an af05e.

Cheers

Danny

paulpauly7 · Post by **paulpauly7** » Thu Jul 11, 2013 4:49 am

my af16 plug that i have in a af05e sits flush

WeeMan · Post by **WeeMan** » Thu Jul 11, 2013 2:30 pm

The question is how hard should I whack it? I did try and hammer it but like I say didnt want to hit it too hard and do some damage.

cheers

Danny

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Oil Plug blown Out!!!!!!

Oil Plug blown Out!!!!!!

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