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BigPapa

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I have a 2003 JR50. Is there an actual Intake restrictor between the intake manifold and the cylinder on this bike? I know there is one on the exhaust. If the Intake restrictor does exist, can someone tell me what and where I am suppose to find it? A pic would be incredible if possible. I'm not real mechanically savvy.

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The_GDFP

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#4 in the exhaust, plus verify the muffler isn't plugged up:
 
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The_GDFP

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#3 is the secondary pilot jet you'll want to remove once de-restricted otherwise:
 

The_GDFP

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A few enlarged holes in the air filter lid, and a MM milled from the head, make the little buggers safer to ride, since they will move at low throttle-stop settings, without racing off on top. Allowing engagement of 1st gear helps, for some uses.
 

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