> > > 3. Removing the oil injection pump in order to avoid combustion
> residue
> > > from the four stroke oil out of the oil pan.
> > > The opening left from the pump drive should be covered with a
aluminum
> > > plate. Do you have a picture of such a cover plate and how to fix it
> > > onto the front cover(JB-Weld or bolt on)?
> > >
> > > > Paul,
> > An ALUMINUM plate should not be used for this purpose. Make it out of
> 4130
> > steel, the drive pinion will be forced against the plate during
> operation,
> > and will wear out an aluminum plate.
> > > > Bill Schertz
> > KIS Cruiser #4045
> > N343BS (reserved)
> > > > Or... since it is disassembled.... remove the drive shaft and gear.
> > > > -- > > Paul Lamar ...No rotor no motor.
> > > > > > I was wrong. DO NOT REMOVE THE SHAFT. You will lose oil
> > pressure.
> > > > > > -- > > Paul Lamar ...No rotor no motor.
> > > Thanks for your comments.
> So whats the right practice. Just remove the gear from the shaft? In
that
> case I don't need the cover plate? How does this drop of oil pressure
> happen?
> > When i showed you the pics of the disassembled engine core you wondered
> where
> the rusty deposits in the water jackets come from.
> I assume it comes from the water pump gear, which was the only
> bad rusted part i found.
> > Kind regards
> Thomas
> > > The metering pump shaft is pressure fed with oil to lube it. Some of the
> oil escapes to a reservoir that feeds the oil metering pump at
atmospheric
> pressure.
> It is a rather tricky and some would say a mickey mouse way of doing it.
> Mazda was forced into it due to the fact the oil metering pump is an
> Mikuni off the shelf item designed for two stroke engines and designed
> to be gravity fed.
> > Yes is you wish to remove the gear and leave the shaft in there that
> should
> work. Then make sure the inside end end of the shaft does not come out
of
> the bore
> beyond the e-shaft. There should be a shoulder in the bore that prevents
> this
> from happening. When I get back to LA in about a week I will check this
> on the RX8 front cover as well as the 2nd gen engine. I might get a
> chance to check it in the next couple of days if somebody happens to
> bring an RX8 front cover to Sun n Fun.
> > You will still need the cover plate as some of the oil can leak or seep
> out
> around the shaft.
> > What did the inside of the end housings look like as far as rust
> was concerned? They are the main generators of rust.
> > Paul Lamar ...No rotor no motor.


Paul
heres the pics of the end housings. On the running surface are some
deposits but no rust.
The only rust I found was in the water jackets.

Thomas

Yes that is the place I was talking about.
-- 
Paul Lamar ...No rotor no motor.

So here are somme pics of the water jackets.
Thomas



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