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Old May 20th, 2014, 07:17 PM   #41
Vad18
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Name: Vadim
Location: Seattle Area
Join Date: Apr 2014

Motorcycle(s): 2012 Ninja 250

Posts: 64
Quote:
Originally Posted by DaBlue1 View Post
Since you haven't had the bike very long, you've probably haven't gone over it with a fine tooth comb.

Other than the obvious problems you can actually see (i.e. disconnected brake caliper), have you noticed any thing odd with the tach bouncing or reading differently under similar riding conditions. Have you noticed the lights slightly flickering while idling? If so, you need to tighten your battery terminals. Some tend to loosen over time. Despite the fact they may appear snug, they may still be able to be tightened and correct the stated issues. You may also want to check your connections on the back of the tach as well.

If all else checks out, it is possible you have a faulty tach or IC Ignitor. You may need to test the rpms externally to see how accurate the tach is.
You can use an inductive pickup clip accessory on a digital multimeter. The clip attaches to the spark plug wire. If the multimeter is good, it can be set up to convert electrical pulses into a rpm format. With this I believe you will be able to tell if there is a different reading between the tach and actual spark output.
(i.e. disconnected brake caliper) lol. Got that fixed with loctite.

Since I've got this bike, which was about 1000 miles ago, its been the same. I've always remembered the 9000rmp mark at 60mph. The lights have not flickered.

Thing is I've got used to the high revving sound, like when it hits 9000 you get this high sound, so I really don't think its the tac, but i'll check the connections.
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