http://www.allthingsmoto.com/forums/ This forum is dedicated to all things off-road yamaha motorcycles. YZ450F, YZ250F, and many more. en Sat, 21 Nov 2009 05:35:46 GMT vBulletin 60 http://www.allthingsmoto.com/forums/images/misc/rss.jpg http://www.allthingsmoto.com/forums/ http://www.allthingsmoto.com/forums/f-20/why-wont-my-yz426-start-47671/ Fri, 20 Nov 2009 21:38:50 GMT can any one help me i have a 02 model yz426 i just had full rebuild done i also had coil and cdi unit checked and replaced fly internals and it still... can any one help me i have a 02 model yz426 i just had full rebuild done i also had coil and cdi unit checked and replaced fly internals and it still wont spark everything is brand new i need help if any one has any ideas let me know asap cheers ]]> 4-Stroke Motorcycles - Yamaha danielc6841 http://www.allthingsmoto.com/forums/f-20/why-wont-my-yz426-start-47671/ http://www.allthingsmoto.com/forums/f-20/02-yz250f-timing-problem-help-47643/ Tue, 17 Nov 2009 02:12:07 GMT my yz250f starts but ticks real bad its a 02 but has an upgradged auto decompression cam with new crank in it but it seems to me its ticking so loud... my yz250f starts but ticks real bad its a 02 but has an upgradged auto decompression cam with new crank in it but it seems to me its ticking so loud because of the auto decompression cam...i just adjusted the valves to the specifications .10-.15 exhaust .17-.22 intake but i think these timing marks just look off kinda like the chain is stretched i was looking for a second opinion thanks in advance
cam timing marks picture by charlray192 - Photobucket
Crankcase Timing I mark picture by charlray192 - Photobucket ]]> 4-Stroke Motorcycles - Yamaha charlray192 http://www.allthingsmoto.com/forums/f-20/02-yz250f-timing-problem-help-47643/