Can you put SS valves into a head that installed Ti valves?


4 replies to this topic
  • shrekka

Posted March 01, 2007 - 03:25 AM

#1

(SS- stainless steel of course)
Hi there
can u use SS valves into a 2002 YZ426 that has Ti valves as standard?
What are the advantages of using Ti valves compared to SS valves?
Has anyone done this to there bike and swapped them over without complications?
What difference in power is there from using Ti valves to SS valves
Any suppliers in the USA u wood recommend to buy from and that would senhd to me in Australia?

thanks
Shrekka

  • Ron Hamp

Posted March 01, 2007 - 07:38 AM

#2

You can use ss valves in the 426 but you should also have a spring kit which is exspesive for the yzf bringing the cost simlar to just replacing your oem valves and using stock springs .

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  • grayracer513

Posted March 01, 2007 - 09:37 AM

#3

The thing I wonder with the 426 is whether either the OEM SS valves from the 2000 model can be used with the springs from the '00 to match.

Or, if the Yamaha valves don't fit, could the '00 springs be used on aftermarket SS valves?

The spring ARE necessary, one way or other, though, make no mistake. The SS valves are nearly twice as heavy.

IMO, the OEM Ti valves are as reliable as anything you can use.

  • Ron Hamp

Posted March 01, 2007 - 12:43 PM

#4

the valves are the same dimensions from 2000 -2002 and then changed after that so 2000 valve train components will exchange

  • shrekka

Posted March 02, 2007 - 03:20 AM

#5

thanks guys for info...good to know


one questions any sites you would recommend to buy them from in say the USA?


thanx
Shrekka





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