Quote:
Originally Posted by BoBO
These 08 Ninjas are pretty much bullet proof everywhere. Aside from the common stuff like checking:Brakes, Age of tires, Suspension and Fork seals.
I would focus on the idle when the bike gets to operating temps. Make sure it idles right because the valves maybe out of spec if not a vacuum leak or out of sync. Most 250s for sale out there can't get their idles dialed in, at least the ones I was checking out to buy. My Ninja idles right but that's because I replaced all the vacuum hoses with OEM and paid $450 for a valve adjustment & carb sync.
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Yup, I agree.
If the idle RPM is jumpy, it's a clear sign vacuum is leaky. This can be the case for such an old vehicle and, as with most older vehicles, the rubbers are the ones that go first.