Fitting rear light

CRM'er · Post by **CRM'er** » 30 Jan 2004, 09:38

Ive just gotten a new rear light for my 93' CRM250 and i need to know where all of the plugs go into, when i got the bike(2nd hand) it didnt have the lights on it so i have no idea where it goes.

Also i had a problem with the front brake and it having a whole lot of oil on it, i presumed that it was fork oil becuause the forks were leaking quite badly, but scince then i have done the fork seals, cleaned the brake disc and sanded down the brake pads and now the disc is coverd in oil again.
Has anyone else had this probelem before, if so, how do i fix it!
Cheers

Bargos · Post by **Bargos** » 30 Jan 2004, 12:02

Hi CRMer,

Tail Light

There are 3 wires to your tail light, one is the power, one is the front brake switch and the other is the rear brake switch. I cant remember which colours are which but if you have a neon test light its quite easy to test for - let me know how you get on.

Oil Leak

Where is the oil coming from? If you replaced the fork seals correctly then the leak could be coming from the seal in the front brake. Can you remove the brake pads, pump the lever a bit and see where its coming from?

CRM'er · Post by **CRM'er** » 31 Jan 2004, 11:06

I have attatched the rear light with noproblems, with the light
i got the cable that had all of the wires for the indercators aswell
so it was quite simple to install.

The problem with taking out the pads and using the brake is that
the piston just keeps going out untill it hits something and if i do
that i wont be able to get it back in.

Bargos · Post by **Bargos** » 02 Feb 2004, 10:33

The piston will only come that far out if you let it - one or two pumps will be enough to see...hell, you may even be able to see where its coming from without having to touch the brake lever. Use your nouse and have a good look - it should be as obvious as the nose on your face!!

CRM'er · Post by **CRM'er** » 03 Feb 2004, 06:05

Yea there is a busted seal on the bottom piston, will i be able
to get a single seal from a bike shop and how do i go about getting
the old seal out and new seal in?

Bargos · Post by **Bargos** » 03 Feb 2004, 09:25

Making progress then

I dont know whether you can buy the seals separately, in any case I wdont think that it would be good practice to do so...obviously its up to you.

Anyway you will need to pump the pistons out, clean them up and then pop your new seals in and ease the pistons in after...use a bit of copaslip to ease the re-insertion of the pistons.

Above all take your time and do a good job, any questions?

Bargos.

CRM'er · Post by **CRM'er** » 03 Feb 2004, 10:35

will any oil come out past the piston when i take the seal out?

Bargos · Post by **Bargos** » 03 Feb 2004, 12:19

Yes, so get plenty of rags and water ready!

temple_of_boom · Post by **temple_of_boom** » 12 Mar 2004, 23:58

Best not to use copaslip on brake seals. I have got either tiny little use once tubes of brake grease or a tub of castrol red rubber grease from a decent motor accessory shop. It makes Copaslip seem like superglue. You'll have no problem shoving the pistons back in. But the most important thing if you pop a brake piston is cleanliness.
rgds
Marc