shims... what a friggin' pain!

Paul Heim SuprHtr at
Sat Aug 25 04:58:04 PDT 2007

I am extremely grateful to the list for this:

which I use along with my manual.  This is one of the best write-ups of its 
type that I've come across.  It helps with the valve work A LOT the first 
time you do it.

Paul in Ohio

----- Original Message ----- 
From: "1KPerDay" <1kperday at>
Cc: "Message an GPZ List" <gpzlist at>
Sent: Friday, August 24, 2007 4:51 PM
Subject: Re: shims... what a friggin' pain!

> The GPz is relatively easy and you don't really need a manual (though
> you should get one). The shims rest in little cups on top of the valve
> springs, and there are rocker arms that rest between the cam lobes and
> the shims. You slide the rocker arms out of the way (spring loaded)
> and you can get the shims out.
> You DON'T have to drain the radiator as spec'ed in the manual, and you
> don't even have to remove the timing cover. Pull the tank, pull the
> spark plug caps, pull the breather hoses off the little tube thingies
> on top of the valve cover, and pull the radiator hose and all the
> wires and cables and crap up between the frame rails and tie them
> there. Push the lip of the front heat shield down below the level of
> the valve cover and remove the chrome bolts that secure it, then pop
> it (leave the gasket stuck to the cylinder head if possible).
> You can maneuver the valve cover out the right side if you wiggle and
> swear at it a bit.
> Bump the starter to get the lobes pointing up, check, swap, etc.
> Getting the shims in and out is the hardest part, IMO.
> On 8/24/07, JOHN SOLIDAY <johnsoliday at> wrote:
>> I haven't opened my up yet, shouldn't be so lazy and look at the service
>> manual somewhere here in the new house.  Is it like a ZX10 (88), I did 
>> those
>> w/o any problem (not shim under bucket).--
> Utah Jeff
> '96 SheePz1100

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