Hey guys, I just finished a complete engine assembly after a rebuild on a basket motor on a (Canadian) 1984 RZ500.
I fired it up today, started 3rd kick. Whoop! A bit of a warm up, popped the choke off and she idled beautifully. But! The oil light remains illuminated red.
I did some google searches as well as the search feature here on the forums, but nothing relevant to my issue that I could find.
Dumb question, but is the oil light for the gearbox oil or the reservoir for the injection lube? (assuming there is a sensor for the premix reservoir?)
Regardless of which, how would I go about chasing the issue? Oil levels are full.
Cheers from Sacramento Ca.
-Mike
1984 RZ500
Moderator: rztom
1984 RZ500
Last edited by mike257s on Fri Apr 28, 2023 5:52 pm, edited 1 time in total.
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TwoStrokeNut
- Posts: 585
- Joined: Tue Nov 20, 2012 5:12 pm
- Location: Florida,USA
Re: 1984 RZ500
Good job on the engine.
Oil light is for injection oil low level alert. It's a simple circuit with the level switch in the tank providing a ground to the dash Oil light. Brown wire provides power to light. Black/Red wire connects between light and switch. Black wire provides ground to switch. Looks like oil in tank will open switch contacts and turn off light.
If I recall correctly, it will come on when ignition is first switched on (regardless of oil level) and then go out after few seconds if tank has sufficient level.
Oil light is for injection oil low level alert. It's a simple circuit with the level switch in the tank providing a ground to the dash Oil light. Brown wire provides power to light. Black/Red wire connects between light and switch. Black wire provides ground to switch. Looks like oil in tank will open switch contacts and turn off light.
If I recall correctly, it will come on when ignition is first switched on (regardless of oil level) and then go out after few seconds if tank has sufficient level.
Project bike links: NS400R - TRIPLE THREAT // RZ500 - MOSQUITO CONTROL BIKE // RZ350 - REVIVAL
'72 H1-500/'75 H1-500/'85 RZ350/'85 NS400R/'01 DR650/'07 FJR1300/'18 Tiger 1200
'72 H1-500/'75 H1-500/'85 RZ350/'85 NS400R/'01 DR650/'07 FJR1300/'18 Tiger 1200
Re: 1984 RZ500
Give the man a cigar. Thanks. So that leads me to the next question -- I distinctly remember installing and connecting what appeared to be an oil sender and lead wire on the left side, under the counter shaft sprocket cover. Does that also connect to the oil light?TwoStrokeNut wrote: ↑Fri Apr 28, 2023 3:31 pm Good job on the engine.
Oil light is for injection oil low level alert. It's a simple circuit with the level switch in the tank providing a ground to the dash Oil light. Brown wire provides power to light. Black/Red wire connects between light and switch. Black wire provides ground to switch. Looks like oil in tank will open switch contacts and turn off light.
If I recall correctly, it will come on when ignition is first switched on (regardless of oil level) and then go out after few seconds if tank has sufficient level.
Re: 1984 RZ500
Hi Mike,
That's probably the neutral switch wire.
That's probably the neutral switch wire.
Current Bikes1984 47X RD500LC, 2018 Triumph Speed Triple RS, 1999 Honda CB600F Hornet
Past Bikes Include
RD250LC, RD350YPVS LC2 Race Bike, RD350F2, 1976 CB400F