02 YZ 426F ,,Worth buying? need input


4 replies to this topic
  • missionary

Posted August 23, 2006 - 04:10 PM

#1

Ok I am looking at buying a yz 426f year 2002. What advice can you give me. It looks fairly unused, what are the pros and con about this bike. I also need "what to look for" about a 2003 yz 250f. Thanks

  • mxgene

Posted August 23, 2006 - 05:47 PM

#2

First thing to do if you buy it, put an '03 450 exhaust cam in or replace it with a hot cams.

It will be so much easier starting.

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  • never59

Posted August 23, 2006 - 06:11 PM

#3

I had an 02 426. Pro's are the motor is practically bombproof! The con's are it is heavy and can be hard to start at times.

  • Yamahondaha

Posted August 23, 2006 - 06:19 PM

#4

First thing to do if you buy it, put an '03 450 exhaust cam in or replace it with a hot cams.

It will be so much easier starting.

I kinda like having the decompresser lever and advocate the mechanics first rule of thumb: "If it ain't broke don't fix it"

The pros are: :thumbsup:

13,500 rpm rev limiter (2 stroke performance).
Great suspension.
Reliable and durable.
Lots of parts available.


The cons are: :ride:

Hidden spark plug needs seat and tank off to get to.
Valve adjustments require the cam(s) to be removed.
Carb jetting can be tricky (get a JD jet kit).
Your arms will be yanked out of the sockets! (the bike kicks like a race horse)

  • Yamahondaha

Posted August 23, 2006 - 06:20 PM

#5

I had an 02 426. Pro's are the motor is practically bombproof! The con's are it is heavy and can be hard to start at times.

Once it is jetted correctly with a JD jet kit it will only need one kick to light it up.





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