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Everything Dirt Bike
Make / Model Specific
Honda
Honda Xr350r Timing
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<blockquote data-quote="ossagp" data-source="post: 206820" data-attributes="member: 1650"><p>usually cutting the seats is a machine shop job. to get a good job done they either have to knurl the guides to bring them back to "round" and to spec, or replace the guides then cut or "machine" the seats.</p><p></p><p>you can do a compression test, bleed down test if you have the gauges to do that. If you have an air compressor you can use a rubber tipped spray gun that will seal at the sparkplug hole. you just put it on topdead center and run the compressor up to about 50 lbs and see if you are losing air out of the intake or exhaust (made easier without the pipe and caburetor installed). If you dont have any of those handy, a small penlight held in the spark plug hole at tdc, with measureable valve clearance and the lights off will allow you to look down the intake and exhaust for rays of light.</p><p></p><p>if you want to use the compressor etc to check for leaks, soapy water works to find which side etc.</p></blockquote><p></p>
[QUOTE="ossagp, post: 206820, member: 1650"] usually cutting the seats is a machine shop job. to get a good job done they either have to knurl the guides to bring them back to "round" and to spec, or replace the guides then cut or "machine" the seats. you can do a compression test, bleed down test if you have the gauges to do that. If you have an air compressor you can use a rubber tipped spray gun that will seal at the sparkplug hole. you just put it on topdead center and run the compressor up to about 50 lbs and see if you are losing air out of the intake or exhaust (made easier without the pipe and caburetor installed). If you dont have any of those handy, a small penlight held in the spark plug hole at tdc, with measureable valve clearance and the lights off will allow you to look down the intake and exhaust for rays of light. if you want to use the compressor etc to check for leaks, soapy water works to find which side etc. [/QUOTE]
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Everything Dirt Bike
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Honda
Honda Xr350r Timing
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