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Message started by rl153 on 10/02/13 at 16:02:29

Title: What is that
Post by rl153 on 10/02/13 at 16:02:29

There is a 12mm nut on a stud on the top part of the cavity in the front of the motor ,that was leaking oil on my bike. What exactly does that stud or bolt do ? I understand it is screwed into the amuminum head. Thanks!

Title: Re: What is that
Post by Serowbot on 10/02/13 at 16:23:01

It's holdin' yer' head on... :-?...

Title: Re: What is that
Post by rl153 on 10/02/13 at 17:11:38

ok, I guess it's not complicated.

Title: Re: What is that
Post by Dave on 10/03/13 at 03:40:15

There are 4 longs studs that go all the way from the crankcase to the cylinder head that hold the head and cylinder and cylinder head down to the crankcase. They are spread a bit unequally to the sides to allow room for the intake and exhaust ports. In order to apply even pressure to the gasket at the head and cylinder mating surface.....Suzuki added a short threaded stud in the front and back. You can find the one in the back that matches the front one if you look. You should keep these tightened down, as occasionally one will come loose and weep oil.

Title: Re: What is that
Post by justin_o_guy2 on 10/03/13 at 07:10:54

& at 20,014 miles, never retorqued the head, never an oil leak "Up There".. it leaked where the clutch actuator passes thru the case.. a 10 cent O ring fixed that

Title: Re: What is that
Post by rl153 on 10/03/13 at 09:58:53

Thanks For the answers. Thats a little clearer.