Category: 2007 YZ250F

Decided to give 4 strokes another try

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2007 YZ250F Projects

2007 Yamaha YZ250F

Related articlesRepair dent in exhaust Check out this sweet end of season deal! Now with the new stock seat. Notes YZ250Fw parts list and exploded diagramsValve clearances:Exhaust 0.17 – 0.22mm (0.0067 – 0.0087″)Actuals Dec2017: L 0.203mm, R 0.178mmActuals Jun2018: L 0.203mm, R 0.178+mmActuals Dec2018: L 0.178mm, R 0.178mmShims: L 1.72mm, R 1.75mmNew Shims: L 1.70mm, […]

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2003 125sx 2007 YZ250F DIYs Calculators Misc

Dirt Bike – Repair Dent in Exhaust

Dent1

2 Stroke Through a recent trade, a KTM 125sx was acquired with a huge dent in the exhaust.  Dents like this, not usually as bad are very common on these exhaust expansion chambers and while the bike might seem to run ok, a dent this size must be having an adverse affect on performance. Not wanting […]