Gunner Gasser style to YZ250H adaption

[YZ250H]

Hi guys,

At the final stages of getting this 250H together (getting it going).  Struck trouble with the throttle cable.  The one provided with the throttle does not fit onto the top of the carb.  The standard one is not long enough to fit into the throttle section.  I have to come clean and admit that the throttle is not genuine GG - is Taiwanese copy.  Maybe I should dice it and go for the real Gunner Gasser or go back to NOS stock (hard to find).  Is there still the same issues with the cables ?  In the mean time I will look at what the last guy did on the 465.

Any help help or advice much appreciated.

[All Things 414]

You might have to shorten the cable outer of the standard cable to make the inner longer. 

[YZ250H]

Yeah,

I'll mount it up and see if it is long enough.  The carb is on the kitchen bench at the moment.  Have moved house and can't find the clamps 

[Viper79]

I'm running a Domino quick action throttles on my YZ 465 and  RM 400. I am using a universal throttle cable, it comes in a kit form where you cut the outer and inner to length and then solder the nipple on.  I have had one on my RM 400 for over six years with out a problem.

[Hoony]

YZ250H, careful with those imitation GG's as i remember a thread some time back where it was highlighted that a few of those were found to jam WFO . be cautious and piss it off.

I think Firko may have had a similar experience. not worth the risk.

[evo550]

Hoony's right, I fitted one that had a real suspect action, the lug for the cable on the tube used to catch on the cap as you backed the throttle off, dumped it real quick.

[Hoony]

Yes i remember a few people had this problem. maybe it was your post Evo !

[rocketfrog]

Ask Ted about that one, as I recall he had a near death experience with a dodgey gunner gasser copy.

[ted]

Rocketfrog...Unfortunately it wasn`t a copy but the real thing.

[mainline]

I bought a Magura 314 and had to frig around with a combination of different adjusters on the top of the carb to get the NOS cable to fit. The throttle itself has zero adjustment.

Don't know if this is the same prob you've got, if you can buy a decent throttle, but the cable won't fit, maybe the universal cable kit is the best option.

[YZ250H]

Yeah Paul,

That's what seems to have been done to the 465.  If the standard cable is long enough I will just shorten the outer and change the throttle end.  I will start saving for a real one.  Hopefully all goes well.

Thanks for the help guys - much appreciated.  Another step closer to completion 

[yzhilly]

Hey Tony i use the stock yamaha throttles and cables from the dealer .YZ250J,K ,IT200,250K all fit and you never have to fart around with cables . and you can buy all separate parts . hilly

[YZ250H]

Thanks mate - do they have the clear plate on top etc.  The throttle on the 125J looks like the H model.  I haven't seen one on ebay from memory, so I assumed they were NLA.  Are they side pull ?

[ted]

Send your bikes down to me Tony with a rather large cheque and i will finally get them finished for ya....hahaha

[YZ250H]

That's half the problem.  I'm trying to save my pesos at the moment, so bikes are taking a back seat (again).  To top all that off I connected up all the elcrics and guess what... no friggin spark AAAGH    A process of elimination changing bits across from the 465 (although some bits don't change over).

This bike has been a challenge and I would never do one that was in such poor condition again.  I will post some progress photos.  So close, but yet so far.  XYZ did finally send me some side covers, so it's almost there.