Question about 2003 Suzuki GZ 250 Marauder

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Using a feeler gauge what would you set your exhaust valves to on a 2003 Suzuki gz 250

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  • Suzuki Master
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Hi, Wayne valve clearance (when cold): IN. : 0.03-0.08 mm (0.001-0.003 in)
EX.: 0.08-0.13 mm (0.003-0.005 in) 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 zero $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.
Motorcycle Valve Clearance Adjustment
Valve adjustment for the GZ250 Page 3 GZ 250 Forums
Suzuki GZ250 Service Manual
OEM parts for Suzuki
Suzuki GZ250 Owner Manual

Posted on Dec 08, 2016

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  • Suzuki Master
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All valve adjustments are made with a cold engine.

The intake is 0.001 to 0.003 (set them at 0.002) & exhaust is 0.003 to 0.005 (set them to 0.004) I have owned Suzuki's my whole adult life

Posted on Dec 08, 2016

  • Gregg Mahin
    Gregg Mahin Dec 08, 2016

    Ah but what about your childhood years?

  • yadayada
    yadayada Dec 08, 2016

    A Honda 50 scooter, then a 305 Honda. Then USAF a 350 A7SS Kawasaki, then a whole bunch of big CC Suzuki sport bikes up to a GS1100 crouch rocket. Have a good day, remember rubber down



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SOURCE: I checked the valves on a 2003 Honda VTX 1800 fuel

you need to readjust the valves I would have to say you have them to tight

Posted on Jun 16, 2009

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SOURCE: valve clearance information

need valve clearances on 2000 mazda rustler1300 and how to do it

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SOURCE: Suzuki RM 85 exhaust valve adjustment

I will come back to you with the method for adjusting this.
If you set the power valve to open at a higher rpm or restrict the vavle from opening to its maximum then your problem will be solved.

If you do the latter though you will definately lose your power at high rpm.

Posted on Aug 04, 2009

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

buy a manual

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SOURCE: suzuki GZ 250 battery assembly???

Here ya' go mate...this site has the whole bike in sections, exploded views and parts lists....go for it!

Posted on Jun 29, 2010

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1 Answer

What are the valve clearance specs on a 2005 Suzuki Ozark atv

intake (.001 - .003) exhaust (.003 - .005) if using metric feeler gauges the clearance is intake (.03mm - .08mm exhaust (.08mm - .13mm)

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Rattle nosie on tappets on engine start up,do tappets or valves need adjustment,and if so what are settings,and the best way to do the job,regards eamo.

Sometimes a dirty oil filter will cause lack of oil to the top end at startup.
As soon as the oil warms, it flows better and faster and hence the noise goes away after warm up.

If you need valves adjusted, the motor must be at TDC on compression stroke(both valves closed)
The motor must be cold do not try to adjust the valve clearance on a warm engine.

On TDC, pull the valve covers and check the clearance on the intake and exhaust valves by inserting a feeler gauge under the tappet.
INTAKE should be : .03-05mm
EXHAUST should be .05-.08 mm

Im sure you don't need a valve adjustment. but if you do: Put Engine on TDC
Loosen the locknut with a 9 or 10 mm wrench, stick the feeler gauge under the tappet, and tighten the little square tipped valve adjuster screw clockwise until you feel friction on the feeler guage.
Enough friction that the feeler gauge feels tight but you can still slide it back and forth.
Not carefully tighten the locknut. Check the feeler guage during tightening to make sure it didn't get too tight or too loose. Once you set the clearance, move to the next valve, and repeat the process using the other feeler guage.
Once both are done put the covers back on and your done,

NOTE: You may have to remove seat, gas tank, airbox, and side covers to get to the covers.

Dec 03, 2010 | 2000 Suzuki GZ 125 Marauder

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*Help me out. Rate me!

May 15, 2010 | 2003 Suzuki GZ 125 Marauder

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Need help with valve adjustment specs

Exhaust power valve adjustment for "stock setting" is: 1/2 turn out from closed.

Apr 08, 2010 | 2004 Suzuki RM-Z 250

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Yes I need to know how to properly adjust the valves on my 87'Yamaha, 350 fourwheeler.

Same as any four stroke engine. Usually cold. remove the fuel tank and Rocker covers, small inspection bolt near top of gear case.
Simply rotate engine to TDC (With spark plug out) (Top dead centre) as indicated by aligning timing marks through inspection bolt hole.
Using feeler gauge with correct thickness selected (As per manufacturers handbook) (I do not have them)
Now insert the feeler gauge between the rocker arm and tip of the valve. If you do not know how to identify an exhaust valve to an inlet one the exhaust ones are by the exhaust pipe, inlet ones are by the intake manifold. If tappet settings are the same for both then no problem, if different (Inlets always less than the exhaust)
When adjusting loosen lock nut and gently alter gap until you can just pull feeler gauge out, recheck after tightening. Be patient as some can take along time to adjust correctly unless you have done a few.

Dec 09, 2009 | 2003 Yamaha V Star 1100 Classic

1 Answer

Adjust valves

Top of the head there is plates on both side , remove the plates and you will see the valves. You will need a feeler gauge and a wrench to perform this task. exhaust port is 0.012 and the intake would be somewhere around 0.008.

Aug 16, 2009 | 1994 Suzuki GSF 250 Bandit

1 Answer

How do you inspect valve clearence and adjust the valves???

you use a set of feeler guages to measure the gap between the valve and the tappet (the arm that opens the valve) there is a intake and exhaust gap setting. you'll have to do some research to find out what the gap should be for your motor.

Apr 18, 2009 | 2004 Suzuki GZ 250 Marauder

6 Answers

What is valve clearance for a 250 yamaha timberwolf

what an *******. If I had a manual or my library had one I wouldnt be asking the question. If I need help fixing something dont tell me to go jump in a lake just dont answer

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2001 yamaha warrior valve adjustment

with the cylinder set at top dead center compression. using a feeler gauge between the tappets and the valves there should be .002-.003in clearance on the intake valves, and .006-.007in. clearance on the exhaust valves. thank you.

Mar 23, 2009 | 2003 Yamaha YZ 250

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