Mz 500 Country Oil Pressure Problem?

Vehicles equipped with the 500 cc Rotax engine

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Mz 500 Country Oil Pressure Problem?

Postby brennain1 » Sun Jun 16, 2013 3:46 pm

I've recently bought a Mz 500 Country, Rotax engine, which seems to now have an oil pressure problem. The oil pressure indicator light comes on and does not go off when I ride/rev the bike. I noticed the light come on just recently on the way back from a ride and obviously this has now got me seriously worried. Has anyone come by this fault before and can they offer me any possible reasons for this. Looking at the wiring diagram the pressure switch has to break for the indicator to go off which seems to rule out faulty wiring. Could I be left with an engine strip down to check the pump or is there a way of checking the oil pressure before I embark on this.
Cheers, Brendan.
Mz Country 500, Honda SH300i, Mz ETZ250 Incomplete
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Re: Mz 500 Country Oil Pressure Problem?

Postby DAVID THOMPSON » Sun Jun 16, 2013 5:29 pm

here is a link
viewtopic.php?t=865
in the picture in the post click on picture for a full view

item 7 in the oil filter cover i think is a place to attach a pressure gauge

on my rt125 the oil lamp always comes on after a long hard 500 mile 3 day run ..
new oil and filter make it go away

dave
viewtopic.php?t=865


the spring on the oil pressure check valve may need to be replaced when bike gets old
and oil pressure is quite low on these bikes when hot
Dave 2002 MZ RT125+1995 Saxon Tour(500cc)
1997 MZ 660 Traveller+6/13/09 WV USA
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Re: Mz 500 Country Oil Pressure Problem?

Postby mzredstar » Mon Jun 17, 2013 12:33 pm

on my redstar the oil light came on which was wiring, the wire was rubbing where it goes through the chain cover I just put a sleeve in place to strengthen it.
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