Good day felow NSR owners. I had a previous problem on my bike where the one plug was dead. I went and swoped for a new plug. I put the plug in and she was driving fine for about a few km's. Then the same side plug just died again. what could be the problem, should I take the carb off and redo the the carb, I now know that it is the left side of the carb if you sitting on the bike because that side feed the right side pipe.

Thanks dudes
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I live my life a quatermile at a time. Every quatermile bring me closer to winning. Losing only makes you stronger.

So where in Cape Town are you exactly?

I just boght an MC21 with 18 electrix and it's a bit of a slob.

I'm in Kraaifontein and work in Parow.

Wanna catch up some time and try and help each-other out?

Cheers
Garth

Mr. KilaMC18, I dont really understand your issue but if you like we can hookup and chat. I'm in the Cape Town area 2, Somerset West 2b exact. I bought my baby MC18 at the beginin' of this year and have been restoring it since. I got it for a steal but had to do alot of wotk on it till now. Anyway, what plugs are you runing? If it is a B9ES or even a BR9ES (the "R" stands for resistor and is suggested to pair wit computer controlled engines like the MC18 onwards) you are (I'm very certain of this) experiancing plug fouling issues. My bike did the same thing.

The only remedy is to purchase any plug with a copper electrode like the BR9ECS, BR9ECM OR B9EG. All of those will work but try to get the R one. They are expensive at around R130 for the ECM/ECS but the EG is about R80. Again, try to get the "R". Post a reply here and we can discuss some more!

Hi guys

Thanks for the reply. I have no probs helping anyone out and do apreciate the replys. I stay in Bellville, Glenhaven. Just baught the bike from a fellow in Pinelands. Nice lad he is. Well, when the bike drives, she does it very leka. My first baby. Always used to working on cars but a 2 stroke is something I'm just grasping now. The bike still looks neat and does need a spray and so on, but I'm going to do that in deu time. Thanks alwyn I'll try the plug you sugested tomorow, I'm just scared that I go buy that expensive plug and then it bombs out too.

Llewellyn
0832999696
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I live my life a quatermile at a time. Every quatermile bring me closer to winning. Losing only makes you stronger.

Honda specify BR9ECM for all NSR's except MC16.

http://tech.nsr-world.com/nsr/nsr-all/spark-plugs/

It's very difficult to pinpoint misfires unless the bike is running exact components as Honda intended. A bit like trying to sort carb issues when a bike's not running a standard airbox etc.

My advice is get it back totally stock (including reversing any wiresplice) and take it from there. As standard, every NSR works exceptionally well even if it only develops 40~45hp. If yours doesn't, then it's simply back to traditional fault-finding methods.
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Andy.
NSR-WORLD.COM

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whats the best plug to go for for a mc16 B9ECS or B9ES as everything on its standard?

Just asking cos i removed the cap and the top of the spark plug is still in the cap.
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Honda nc23 CBR400 AERO 1986, 1990 honda NC23 Tri-Arm, 1987VFR400 NC24 Rothmans Rep, NSR250 MC16 1987, CL250s 1983. Moto guzzi zigolo 110cc 1958. Fantic 50cc 1972. Suzuki Cobra Race bike 500cc 2t 1975 , GP125 1975. Triumph T110 1954. BSA Thunderbird 1955. Ariel VB 600 1952, 1990 MuZ 125 etz.