Me needs technical help!!

[karen_moomin]

Sorry...yet another "NSR technical problem" related thread

Right then. Ready for my highly technically written report?

I was riding around on Saturday, and all seemed fine, except for the gear changes to be less smooth, i.e. when I changed up a gear it sounded like the revs were sticking for a bit. If that makes sense.

Then a bit later on, I was cruising at 30mph, when I felt the engine just loose a bit of power, although I wasn't dropping the revs with my accelerator. When I gave it more revs it took a few seconds to get power back. I guess it felt a bit like it was running out of fuel, not that I've ever experienced that.

A couple of miles later, after I'd noticed the rev dropping stuff, the revs went really high and when I pulled over (in panic!) and put it in neutral, it stayed revving too high, instead of idling like it should do.

Thankfully I was with McJam at the time who calmed me down, and after I restarted it and continued home it seemed ok again.

Anyone know what the hell is wrong with my bike? I wasn't imagining it!! It's a 1992 NSR 125 (FK I think).

[Hex]

Maybe an air leak around the carb?
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[Kickstart]

Hi

I would say an air leak as well.

All the best

Keith
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Traxpics, track day and racing photographs - Bimota Forum - Bike performance / thrust graphs for choosing gearing

[karen_moomin]

Thanks guys!!

However, what does this mean exactly? How do I check for sure and what will fixing it involve??

Many thanks

[Kickstart]

Hi

Check the carb is mounted securely to the engine. Check the rubber block it mounts onto for cracks.

All the best

Keith
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Traxpics, track day and racing photographs - Bimota Forum - Bike performance / thrust graphs for choosing gearing

[stevo123]

spray stuff with window cleaner/wd40 or anything really. When the liquid is sucked into the leak the engine note will change. Just helps locate it really