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plug colour

sparks ....

is there any sign that a stator is about to fail ?

i ride deep into the hills/bush/scrub and i am trying to cut my break downs to no break downs

or when should you rewind a stator , to be on the safe side .

excuse the hijack 8)
 
a lot there sparks

fawny was what you were looking for as in fornicate right? (LOL!!!)

you should have put the DMS up in a seperate thread somewhere sparks, i can't get any american below 170MJ so for you to follow my guide to a 150MJ and DMS needle will just throw them all out. americans never wrong! so please do your jetting as a seperate thread. a little aknowledgement is always appreciated as well as my mum doesn't love me no more...(can i hear an 'aaaaaah' from the back?).

so a new thread required i think.

as for plug colour well i have experimented with plug heat ranges. what is a white 8 will become a fawn (there i go again!) 9.

i don't go by plug colour at all even though the SEM produces one. i go by feel. thus my remark about the plug thread colours by daleO.

regards

Taffy
 
Sorry about the needle thread it was just a lead in to the plug colour bit. As for fornicate you could be wright!!! LOL.

I'll put a new thread about the jetting and good praises to your good self for all the info.

But I also agree with you it not always what you see it is how it feels and most people on this site should know when the engine feel wright maybe not.

Plug colour is only an indication to where you are with the jetting lean or rich. the rest is the seat of your pants and your right wrist, to feel the improvement or not as the case my be.

Regards

Sparks.
 
whosahberg said:
sparks ....

is there any sign that a stator is about to fail ?

i ride deep into the hills/bush/scrub and i am trying to cut my break downs to no break downs

or when should you rewind a stator , to be on the safe side .

excuse the hijack 8)
Click to expand...

Some times there is and some times there ain't, there is no time scale to when these SEM's fail, I have seen posts that say they are still on there 1st stator and it's been on for four years and on the other hand some peolplč have had four go in the same time.
But I think the environment plays a part and how much use it gets and how often.

Not trying to steal your money but if it is a standard SEM and it's covered a fare few hours then I would say it's life span is shorter obviously. But there again it is guaranteed to pack in at some stage they all do.

It's up to you to take the risk will it get me there and back OK. I'm not saying that if you have one of mine and all your troubles are over that would mean that mine are perfect but all I can say in my defense is that out of all the ones I have rewound and I've lost count well into the hundreds I've not had one returned so I would have more faith in mine than the originals.
At the end of the day it is your shout.

Regards

Sparks.
 
plug color?

OK here's the story. I just picked up a '05 FS650E that runs fine accept for a little surging at off idle in 1st or 2nd gear, and an oil leak at the rocker cover. Re-sealed the rocker cover (leak fixed) and put a new spark plug in it (since I didn't know the age of the one I took out). The plug I took out had a nice chocolate brown color, maybe slightly on the rich side. I put the same model plug back in it and did two 25 mile rides (more than half of it freeway). I decided to look at the plug when I got back due to the surging problem that I hadn't noticed previously (though I only had one 10 mile non-freeway ride to experience anything). I pulled the new plug and it was white!

So, the question is how do you go from a good looking plug color to a white color without having modified the jetting or ignition? Could the old plug have been in there long enough that it was merely showing its age by being brown in color? Does it take more than 50 miles on a new plug to see more than white color? And the biggie, I'm I going to fry the motor if I ride around on a lean condition?

My apologies if this is a remedial subject for most, but the sum of my limited tuning experience regards 2 strokes.

Thanks for any advice you guys can bestow.
 
Re: plug color?

You will see it colur up after you put a few more miles on it, if you have only changed the plug there will be nothing to worry about.

Regarding your jetting can you tell us what you have in there, these carbs as standard are a bit on the rich side especially the AC pump.

Regards

Sparks.
 
Thanks sparks. That's a huge relief. I just need to tackle the off idle surging problem now. Here's what's in it:

Needle: OBDTP, clip @ pos 4 from the top
MJ: 180
Idle Jet (Pilot Jet?): 48
Starter Jet: 85
Air Screw: 0.5 turns
Floats: ~4mm

This set-up was determined professionally by gas analyser at the LBS to work best with my full Akra Ti pipe.

I dropped the clip position to 5 from the top, and disconnected the TSP but no better results. I'm thinking the air screw is far too lean, but does it affect off idle (< 1/4 throttle) performance?
 
holy siestas mamma mia!

the new record for the richest setting ever!

first of all it's a race engine and has heaps of valve overlap and unburnt fuel etc so i think it'll be a struggle to get a reading that is beneficial to the bike and the meter that's reading it!

basically, you are so rich that the bike is 8-stroking.

i ran the needle 4 clips (leaner) up on yours in the top position 1. i ran a 145mj to your 180mj and i ran a 35 pj to your 48.

just about anything you do will make it better.

where are you from mate?

regards

Taffy
 
Ya, I was somewhat shocked at discovering what was in there, but I figured maybe due to the pipe it needed to be that fat. Anyway, the bike actually feels fine (though I've nothing to compare it to) everywhere but off idle, where its obviously lean (surging). Does that mean (at a minimum) I need to try a different needle?

The wheel lofts through 4th just by whacking the throttle, so what happens when its leaner....do I get to pull wheelies through 6th?
 

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