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 Yamaha 4-Stroke - Powertrain & Drivetrain
 TTR 230 valves
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Ty230
Ontario

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Canada
68 Posts

Topic started on 12/28/2006 at 5:02:01 PM  Member Profile  Reply with Quote
How often should you need to adjust valves on a TTR 230..And do u know the cost of that?

TTR230

ThumperTDC
Thumpalicious

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USA
6555 Posts

Posted on 12/28/2006 at 7:33:15 PM  Member Profile  Visit ThumperTDC's Homepage  Send ThumperTDC an AOL message  Reply with Quote
I dont have the 230, but with my bike I will check the valves at every oil change. I am not sure how much a dealer would charge you to do this. If you can pick up a manual and know how to use some basic tools you can do this yourself and save a ton of money in the long run.

2005 KTM 525MXC - The new canvas
1998 Honda XR450 - The master piece

In loving memory of my son Nicolas "Cole" Allen Carter 10/5/05

GlennF
Newbury, OH

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USA
502 Posts

Posted on 12/29/2006 at 09:45:31 AM  Member Profile  Visit GlennF's Homepage  Reply with Quote
I own an XT225 which has the same valve train (same engine other than carb) and they recommend setting after the initial 600 mi. (1000 km) and then I wouldn't worry about it for checking more than once a year. Initially, valves will conform to the valve seats, and may lose clearance which makes starting a PITA. You would need only feeler gauges other than ordinary tools. Since these are screw type adjustments, they are much simpler than shim over bucket.

05 XT225 - Dunlop 606 front, Kenda 760 rear, Promoto Billet rack, fuel screw 3 turns out, 130 main, 42.5 pilot, Z1 exhaust mod, 1/2 snorkel, UNI filter, Bill's footpegs.

Dirtracer
Terdville, NC

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USA
29 Posts

Posted on 12/30/2006 at 06:30:32 AM  Member Profile  Reply with Quote
According to my manual it doesnt even show to adjust them after three months, I usually check my 230's valves about every three or four months, I think it would probably depend on how hard you ride and listen for noisyness.

"And one of the elders saith unto me," weep not: Behold, The Lion of the Tribe of Judah.
05 TTR230, 06 TTR125LE, 06 KX100, 06 SSR125 pitbike, 05 blaster, 07 YZ 250 (yz450 is gone)

Ty230
Ontario

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Canada
68 Posts

Posted on 01/04/2007 at 9:12:26 PM  Member Profile  Reply with Quote
Is any harm caused to the engine if they are not checked...I have no clue how to check the valves....

TTR230

GlennF
Newbury, OH

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USA
502 Posts

Posted on 01/05/2007 at 10:00:03 AM  Member Profile  Visit GlennF's Homepage  Reply with Quote
If your valves don't have sufficient clearance after seating in, the valves will always be slightly open making the bike impossible to start. Get a manual and see how it's done.

05 XT225 - Dunlop 606 front, Kenda 760 rear, Promoto Billet rack, fuel screw 3 turns out, 130 main, 42.5 pilot, Z1 exhaust mod, 1/2 snorkel, UNI filter, Bill's footpegs.

Ty230
Ontario

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Canada
68 Posts

Posted on 01/05/2007 at 5:12:38 PM  Member Profile  Reply with Quote
To check the valves do u have to take the whole cylinder head off.?? And is this a huge proceedure...is it possible 4 someone to explain it or know of a site that does?
THanks

TTR230

250f canuck
Super Tuner

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Canada
2213 Posts

Posted on 01/06/2007 at 11:39:01 AM  Member Profile  Click to see 250f canuck's MSN Messenger address  Reply with Quote
You don't need to take the head off, but you will need the valve cover removed. Some bikes like XRs have plugs that come out of the valve cover just so you can check the valve clearance and adjust it.

You check the valve clearance using a feeler gauge. If the clearance is to much/little then you adjust it using shims or a screw type system. I don't know what type your bike has.

You don't need to drain the oil to do this.

01 WR250F - with lots of goodies
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