How JustAnswer Works:
  • Ask an Expert
    Experts are full of valuable knowledge and are ready to help with any question. Credentials confirmed by a Fortune 500 verification firm.
  • Get a Professional Answer
    Via email, text message, or notification as you wait on our site.
    Ask follow up questions if you need to.
  • 100% Satisfaction Guarantee
    Rate the answer you receive.
Ask Jeff Policky Your Own Question
Jeff Policky
Jeff Policky, Motorcycle Mechanic
Category: Motorcycle
Satisfied Customers: 2425
Experience:  Yamaha Gold, Suzuki Gold, Honda Bronze, Polaris Bronze, BRP
17258690
Type Your Motorcycle Question Here...
Jeff Policky is online now
A new question is answered every 9 seconds

ZZR1200 .... starts, idles, runs fine ... till 6500 rpms bogs

Customer Question

ZZR1200 .... starts, idles, runs fine ... till 6500 rpms bogs out will not go past 9500 rpms.
Pull a cloth shop rag over the top of the carbs, nail the throttle from idle and she will hit red line before you can snap your fingers just like she use to.
Float height, main jet size or raise the needle another slot?
Submitted: 1 year ago.
Category: Motorcycle
Expert:  RSRBOB replied 1 year ago.
Hi and thank you for your question.First and foremost, what do you have for an air box and air filter on the bike? Have you changed that recently and did the problem show up after the modification?ThanksRSRBOB