[johnnybadboy27]

hi my bike runs fine until it reaches 5000 revs then it feels n sounds like its stuggling which means the bike dont like me goin faster than 50mph which is slow for the motorway lol from what iv read it sounds abit like there is some sort of restrictor. if there is how can i remove it plez n if it is not what is it thank you for ur time

next thing is my temp gage is not working n now n then flys to the red side n back down and n my speedo lights dont work can they b change n were can i get them from thank you

[Surffrog]

Originally Posted by johnnybadboy27

hi my bike runs fine until it reaches 5000 revs then it feels n sounds like its stuggling which means the bike dont like me goin faster than 50mph which is slow for the motorway lol from what iv read it sounds abit like there is some sort of restrictor. if there is how can i remove it plez n if it is not what is it thank you for ur time

next thing is my temp gage is not working n now n then flys to the red side n back down and n my speedo lights dont work can they b change n were can i get them from thank you

It sounds to me like the problem is electrical, not because the bike is restricted. I need to know a little more about your bike before I can be of much help, though. Is it a NC23 or NC29?

Either way, I'd check the battery is holding charge (a dropped cell will show itself by a slightly slower turn of the starter motor - NC29s should sound like they are turning at warp 9) and whether the stator coil (not the spark plug coils) is providing enough charge back to the battery.

Don't forget to check the regulator/ rectifier wires into and out of the connector. These can cause havoc with the electricals, too. Also, what size light bulbs are you using? If they are too large, they will draw more power that the stator can replenish to the battery. That a lone can cause all sorts of problems.

Tell us more and we'll try to help.

Surf

[johnnybadboy27]

thank for the reply its a nc29 it has a brand new battery in it n does not seem short of power n the problem starts as soon as u hit the 5000 revs

[Surffrog]

Originally Posted by johnnybadboy27

thank for the reply its a nc29 it has a brand new battery in it n does not seem short of power n the problem starts as soon as u hit the 5000 revs

Hummmm. I would still check the wiring that I suggested earlier, if only to rule it out or catch a potential future problem before it starts rearing its ugly head.


And if not that, then we need to look at other factors. Does this always happen or only at specific (day or night) times/ temperatures (engine hot or cold), etc? If it is a constant problem, there is the possibility that a breather pipe has fallen off the back of the airbox (or got itself kinked) or the the filter is clogged. Maybe the plugs are shot or the carbs need a clean and balance.

Is there a strong smell of fuel when this happens? If so, one or more floats in the carbs may need replacing. If not, it is also possible the fuel pump is beginning to die. Does it do the same thing if you are in neutral (i.e. parked up and the engine running but not under load?)

Firstly, I would take the tank and airbox off the bike. While there you can check to see whether the breather pipes where attached or kinked. Once the airbox is out of the way, check the carb operation while looking down the butterflies. Do they seem to be moving together all the way through the throttle range? Maybe one of the linkages have worked themselves loose. (Also there's always the possibility the cable mountings have worked themselves loose, too).

[johnnybadboy27]

hi thank for all ur help i found the problem n its running great now it was that the wires for the restrictor had been cut so i put them back together and its great lmao but i have a new problem


i lost my right hand side fairing on a very busy motorway it just decided to up n leave me with the indicater lol iv been lookin for on the net trying to find a 2nd hand 1 look on ebay n cant find 1 anywhere do u know where i could find 1 thanks