steve69 Posted January 27, 2009 Share Posted January 27, 2009 hi does anyone know the timing marks and valve cleances for 2008 ybr 125 cheer's steve Link to comment Share on other sites More sharing options...
wild foamy Posted January 27, 2009 Share Posted January 27, 2009 do you have a haynes manual?, if not tis a good idea to get one as it will include all details and walkthroughs of timing and valves e.t.c timing marks should be on the cam gears, usually two dots on each gear that line up. only four stroke ive ever reset the timing on was a Honda GX250 Generating set, turned out a valve had dropped off inside the cylinder Link to comment Share on other sites More sharing options...
Caramba Posted January 28, 2009 Share Posted January 28, 2009 do you have a haynes manual?, if not tis a good idea to get one as it will include all details and walkthroughs of timing and valves e.t.c timing marks should be on the cam gears, usually two dots on each gear that line up. only four stroke ive ever reset the timing on was a Honda GX250 Generating set, turned out a valve had dropped off inside the cylinder I don't think there is a Haynes manual available yet for the YBR but I'd agree they're handy to have. Not brilliant but for many jobs they're fine. Link to comment Share on other sites More sharing options...
Caramba Posted January 28, 2009 Share Posted January 28, 2009 hi does anyone know the timing marks and valve cleances for 2008 ybr 125 cheer's steve Valve clearances (assuming you mean the cam to valve stem clearances and not any of the other measurements such as the valve guide to body clearances): Measured cold with piston at TDC on the compression stroke: Inlet 0.08mm to 0.12mm Exhaust 0.10 mm to 0.14mm Link to comment Share on other sites More sharing options...
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