Question about 2003 kawasaki KX 125

1 Answer

2003 Kawasaki KX 125 how to adjust the KIPS valve

My valves do not have timing marks on them what do I do @

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  • vjmate Apr 05, 2009

    timming exhaust valves on 2stroke

  • Anonymous May 11, 2010

    sure if you count reed vavles



    first are we on the same page talking about a 2002 KX engine or something else



  • Anonymous May 11, 2010

    you mean the power vavles



    The system used on the KX125 and KX250 uses both wedge and drum valves with racks. This is the best exhaust valve system for performance but the most difficult to maintain. Here are some tips for re-timing this KIPS system.

    1. Install the wedge valves in the cylinder and the actuating rod and lever. Squirt some pre-mix oil on the parts.

    2. Pull the wedge valve into the full-open position, place the gear on the end of the rod, and rotate the gear counterclockwise until the rack butts against the stop plate. Thread the nut on the rod and tighten it counterclockwise because it is a left-hand-thread nut.

    3. Place the drum valves into their respective cavities until the top of the gears are level with the cylinder base. Now push the lower rack into place and bolt the seal pack on the rack into the cylinder.

    4. Pull the rack out until it stops and push it in one millimeter; now it is in the correct position to install the drum valve. Before you push down the drum valves, make sure the wedge valve and drum valves are in the full-open position.

    5. Push down the drum valve with the two gears first because it must engage the upper rack and lower rack simultaneously. Take care and be patient. You may have to wiggle the wedge valve yoke to get everything to fall into place. Never hammer the drum valves! Then push down the right drum valve and install the idler gear. Now install the bushings and check the system. The valves will bind and stick if you try to move the valves without the bushings installed, or if the cylinder is facing upside-down. Test the KIPS in this way, pull the rack outward until it stops, look through the exhaust port from the pipe side. The valves should be in the full open position. On cylinders where the base has been turned down more than .010 inches, the drum valve bushings will also need to be turned down to prevent the valves from binding when the cylinder is tightened.



  • Anonymous May 11, 2010

    There are no valves on a 2 stroke.

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  • kawasaki Master
  • 58,537 Answers

Hi, Vjmate "num1wrench" pretty much nailed it for this scenario you will need your service manual, parts fiche, and owners manual if you can't find the best tool you ever bought for your Kawasaki, despair not, for a mere zero $0 you can download another one.
For more information about your issue and valuable "FREE" downloads that you will need for viewing or printing please click on the blue links below. Good luck and have a wonderful day.
Kawasaki KX powervalve set up
How to install KIPS on Kawasaki KX 125 Power Valves
https://www.howtomotorcyclerepair.com/images/Kawasaki-KX-125-KX250-Service-Manual-2003-2004-2005-2006-2007-2008.pdf
OEM Parts for Kawasaki
2003 Kawasaki KX125 Owner Manual

Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/gregg_c0ec1df182c7330e

Posted on Mar 02, 2018

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Posted on Jan 02, 2017

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  • 7 Answers

SOURCE: kx 125 reed valves

the best way to tell is hold the reed cage from the back up to light look around outside edges of reeds for light. if you see a little light usually means reeds are worn but, i dont think the are your problem sound like you need a carb cleaning as for your air screw start by turning it all the in and back it out about 1/1/4 turns start bike and adjust by listening to sound of motor idling and throttle response. also be sure that your piston and rings are up to specs as this will effect the overall tuning of the bike. hope this helps.

Posted on Jun 23, 2009

carlsbiz
  • 1124 Answers

SOURCE: cylinder 1991 kx 125

If your going to the trouble of replacing the cylinder - wouldn it make sense to replace it with a quality part ? You really should do new piston & rings while your at it..
If not - you might be doing it again allot sooner than you would like..

Your local bike shop should be able to get one for you..

Hope this helps !!
rate me good ;o)

Posted on Jul 14, 2009

  • 677 Answers

SOURCE: 125 twin recent rebore 1000 miles ago one exhaust

Its a little hard to tell without seeing the exhaust color.Black is oil.brown is fuel.If the bad cyl. still has a good plug it may not be oil.Check the smoky exhaust carby.It may be you do not have complete firing on the bad cyl.MAYBE.Does the bike run well once you get the revs up under load?Check for inlet leaks that may change the fuel mixture on the suss. cyl.There is a few more things but start at these things 1st.After a complete rebuild,these problems do start.I hope this helps

Posted on Aug 23, 2009

  • 32 Answers

SOURCE: How do i set the exhaust valves? rm 125

buy a manual

Posted on Mar 27, 2010

  • 1 Answer

SOURCE: wont start by kick start but will by pull start

it could be the gaskets around your carb are bad and leaking air if so its thinning your gas fumes with more air then what is needed inside your combustion chamber witch is causing your engine to stop running like that. best of luck

Posted on Apr 20, 2010

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