2009 Honda Ruckus "wont rev" Questions

wont rev over 4000 revs my 1988 gpx 600 wont rev passed 6500 then shoots to full revs then back down to 6500 then up on its own any ideas what the prob is It sounds as if you have a dirty set of carbs

bike wont hold its revs do you mean it wont tick over or wont rev up ? could be spark plug etc or the carb needs cleaning

...wont rev hi i have a yamaha banshee wel it starts but when you give it throttle it wont rev. i cleaned the carb out put new spark plugs in it but still wont rev up can anybody help me Usually related ...

...yamaha xt 600e 1995. won't rev above 4000 under load. bike revs to redline at standstill. wont rev above 4000 in top gear. sounds like it may be running out of gas under aload it might be carb ...

...wont rev. very fluffy and induction roar but just hunts really bad upto 3000 rpm. release the throttle then wind it back on and it revs. almost lick th engine rebuilt after a misfire, piston ring ...

...2003 wont rev past 5000rpm in first or second 154 kit fitted, new 34mm carb, starts fine pulls away but wont go past 5000rpm in first or second any help will be appreiciated ty check the rev ...