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Motorized Bicycle Forums
4-Stroke Engines
4-Stroke Valve Spacing Guide
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<blockquote data-quote="Earth Mechanic" data-source="post: 78018"><p>Hey Crew, Sorry so long since the last post, duty called. I have put serious mileage on my honda gxh50 4 stroke after regapping the valves (300+ miles) and found out that bigger valve gaps on the intake and exhaust is both easy to adjust and makes a big difference in accelaration and top speed (aka more of both). Follow the pics to regap your valves. </p><p></p><p>I have also included pics of two gasket makers that will work, but are not recommended, as the red gasket maker has melted off my crankcase and head cover.</p><p></p><p>Emech</p></blockquote><p></p>
[QUOTE="Earth Mechanic, post: 78018"] Hey Crew, Sorry so long since the last post, duty called. I have put serious mileage on my honda gxh50 4 stroke after regapping the valves (300+ miles) and found out that bigger valve gaps on the intake and exhaust is both easy to adjust and makes a big difference in accelaration and top speed (aka more of both). Follow the pics to regap your valves. I have also included pics of two gasket makers that will work, but are not recommended, as the red gasket maker has melted off my crankcase and head cover. Emech [/QUOTE]
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4-Stroke Valve Spacing Guide
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