Question about 2004 Yamaha YZ 125

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2004 yz125 was running backfired wont start - 2004 Yamaha YZ 125

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Check your sparkplug if it is good and check your woodruff key inside the flywheel maybe it is damage

Posted on Aug 24, 2010

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Posted on Jan 02, 2017

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No start on bear tracker 250 just backfires


then the timing is not set properly .

Jun 22, 2016 | ATVs

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2004 YZ 125 fastener torque specs?


Hi, Anonymous for this scenario you will need your service/owners manual if you can't find the first and best tool you ever bought for your Yamaha, despair not, for a mere $0 you can download another one. For more information about your issue and valuable "FREE" downloads that you will need please click on the links below. Good luck and have a nice day.
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YAMAHA YZ125 Owner Service Manual
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http://mybikemanuals.com/yamaha/yamaha-yz-owners-manuals

Jan 08, 2014 | 2004 Yamaha YZ 125

1 Answer

I have a 93 yz125 and it wont start, I got fire, fuel, and 120lbs of compression and ideas?


Hi, Baileys3223 you may have a timing issue for this scenario you will need your service/owners manual if you can't find the first and best tool you ever bought for your Yamaha, despair not, for a mere $0 you can download another one. For more information about your issue and valuable "FREE" downloads that you will need please click on the links below. Good luck and have a nice day.
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YAMAHA YZ125 Owner Service Manual
OEM parts for Yamaha
http://mybikemanuals.com/yamaha/yamaha-yz-owners-manuals

Sep 30, 2012 | 2004 Yamaha YZ 125

1 Answer

My 2004 yfz 450 wont start i changed plug and stator still wont start you can hear lil backfire from pipe when trying to crank


Hi,
Did you tried replacing the CDi for your bike?
Tell me what happen when you replace or borrow a CDi from your friend, just to check if it is the real culprit......

Sep 30, 2011 | 2004 Yamaha YZ 450 F

1 Answer

What is the correct spark plug for a 2005 yz125?


hope this information helps these are Denso Plugs
YAMAHA
YZ125 green.gif
YEAR 2004-1999 ENGINE 125 cc APPLICATION INFORMATION STANDARD STK# 4049 STANDARD PLUG# W27ESR-V IRIDIUM POWER STK# 5317 IRIDIUM POWER PLUG# IW27 IRIDIUM RACING STK# 5714 IRIDIUM RACING PLUG# IW01-27 GAP 0.024

Apr 11, 2011 | 2004 Yamaha YZ 125

1 Answer

95 yz125 wont start. has new gas/mix, new plug


call dealership and ask to speak to a tech-he can look it up for u --chec fuel delivery from tank to float bowl etc

Sep 13, 2009 | Yamaha YZ 125 Motorcycles

1 Answer

My yz125 is not starting and keeps backfireing plz help and when it was it boged down and now i have this problem


hi buddy yor burning too much fuel on carb there are 2 screws the mixture is the screw you need screw this in 1/2 of turns and try this also replace spark plug br8es and try this bud eddec1f.jpg

Sep 06, 2009 | 2003 Yamaha YZ 125

1 Answer

No idle &bacfires on deceleration


hi mate on the carb you will find 2 screw 1 is for the idle and the over is for mixture the idle one will be the furthest out screw it in 1/4of a turns will the engine is running this will take the idle up on the engine and the backfiring is fuel in the exhaust not being burnt so on the over screw on the carb screw that in 1/4 of turns this will decrease the amount of fuel going into the engine if it still backfires screw it in 1/4 of turns again and see what difference it makes good luck

Jul 10, 2009 | 2004 kawasaki KX 250 F

1 Answer

Harley davidson not running


if your engine is backfiring you probably jumped time reset your engine to top dead center valves closed on #1 cylinder check your timing: belt / chain / gears for wear

Apr 29, 2009 | Harley Davidson FXDWG Dyna Wide Glide...

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