Yamaha TRX850 Enthusiasts Forum

Hey all, had a failure to proceed yesterday, just stopped working at the lights waiting for the green light... Pushed it off the road, turned the key off, tried again, nothing... checked fuel, had plenty of power, eventually through sheer persitance it started again, gave it a run, all seemed good so I continued on my recreational ride as planned:)

Lunch in St Andrews via Warrandyte, nice & cold, but dry! Anyway, after lunch, same thing again, this time doing about 80 coming into Hurstbridge, engine note changed, throttle did nothing, pulled in the clutch & it died immediately.

Rolled to a stop, same again, checked the fuel, tried the prime function, nothing... Had power, pretty sure it had air, so it had to be spark... Took the seat off & unplugged/plugged all the connectors on the ECU, fuses, etc, eventually it fired up with a bang (literally) & I narrowed it down to the Ignitech ECU connector.

So, I need something to clean off any corrosion on the connectors & ensure it doesn't happen again, anyone got any tips? Something like a Caig deoxit, plus some sort dielectric grease? I'm all ears!

Belray make a good contact cleaner, non residual and safe for electricals.
Ipone make a product called Protector 3. I use it on looms and connectors as it an insulant and it leaves a protective coating against moisture and weathering.

Perfect, thanks Stu. Now to find some on a Sunday!

You probably rode within 500m of my place.
Next time you're out this way give me a PM and I'll join you.

Sunday, mmmm. Should be suitable products from Autobarn or the like.

dicky wrote:You probably rode within 500m of my place.
Next time you're out this way give me a PM and I'll join you.

Oh really? For sure, you might be waiting for me a little though! Been meaning to organise a proper ride, this was just spur of the moment.

Stu99 wrote:Sunday, mmmm. Should be suitable products from Autobarn or the like.

Hit it with some contact cleaner I had here, seemed to do the trick, but I'll need something to prevent it in the future.

M.V. wrote:

dicky wrote:You probably rode within 500m of my place.
Next time you're out this way give me a PM and I'll join you.

Oh really? For sure, you might be waiting for me a little though! Been meaning to organise a proper ride, this was just spur of the moment.

Stu99 wrote:Sunday, mmmm. Should be suitable products from Autobarn or the like.

Hit it with some contact cleaner I had here, seemed to do the trick, but I'll need something to prevent it in the future.

Get yourself a can of the Ipone Protector 3, it's great stuff.
Here is one of my other bikes after I gave wiring and connectors a pre-winter prep with it.
Makes stuff look all new

A few companies make Electrical contact cleaner and IPicked up a blue can of ECC at Repco for $10
I used it to clean the carbon off the my O2 sensor when it fueled up and gave all my connectors a quick shot when I fitted all the new sealed terminals on the loom.
Then placed a light smear of dielectric grease to complete the job by the seal. including the HT plug caps.

For the uninitiated here is a good link on things

http://www.w8ji.com/dielectric_grease_v ... grease.htm

Quick update - happened a few times again, I have since pulled the Ignitech & no problems with the standard ECU.

I don't think it's the Ignitech unit per se as it's an intermittent fault, but I suspect I may have upset one of the grounds when I added the quickshifter wires, but I haven't been back to check, too much going on.

Did you just hard wire the q/s switch into the multipin connector or put a seperate 2 pin connector inline so you can disconnect the switch ????
Keep us in the loop on this please Mick..

Yes, I wired it into the connector using some new pins, but from memory I used the main ground, instead of one of the extra grounds, that could be the cause.

That's my theory at the moment anyway...