Isuzu Trooper Owners Club UK™

markymoan · Posted: Mon Apr 06, 2009 15:41 Post subject: Honda 4 stroke bike engine oil leak

Its coming from the bottom nut thing on the head, you can see the top one in this pic I found.
The question is, how is it sealed and is anything going to jump out when I undo it Confused

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IanP · ** Joined: 13 Jun 2005 Posts: 100 Location: North East

If we are looking at the same nut, I would guess its the access plug to do the tappets. So if you take the bottom one of you should only get a bit of oil out. Try using a new fibre washer and a bit of PTFE tape.

markymoan · Posted: Fri Apr 10, 2009 12:54 Post subject:

Cheers for that, I was a little worried that there may have been parts held in by them, but if its just
a cover then happy days Very Happy

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viw9419 · * Joined: 20 Oct 2008 Posts: 26 Location: Stoke on Trent

It is the tappet access cover, should be no oil coming out of there if you lift the head up about 3-4 inches,

Gen honda ones have no gasket, and need none, just clean it up and it should seal, but as the op posted, a LITTLE ptfe tape should be fine.

P.S

Mark, as we have previously discussed, I have a workshop full of those engines, and bits for them.
let me know if you get stuck.

P.P.S

When are we out laning again???

markymoan · Posted: Fri Apr 17, 2009 18:54 Post subject:

The engine is in a chinese 110cc pit bike so its a copy lol

re:ps thanks but I should be fine, I just havnt messed with bikes for about 20 yrs Shocked

re:pps Our next trip is in 4 weeks, its not laning, we have booked parkwood4x4 in bradford for a private playday & two nights camping, BBQ, music etc Cool

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