Jetting question.......

[FF_Opie]

Howdy,

Dumb question and I kinda know the answer but need a few more people to chime in. I am purchasing a 2004 Yamaha Warrior RX, this is a carburated (sp) machine with 4 carbs. The current owner lives in Nebraska but has done a fair amount of riding with it in Wyoming and never re-jetted. I am going to the Black Hills of South Dakota in a month and wonder what to do. it's not that I don't believe the guy, but I was always told you have to re-jet. He told me that it isn't as finnicky being a 4-stroke and it ran fine for him in higher elevations.
TIA
Opie

 

[duramaxdude]

On a 4 stroke you dont have to rejet them as much as a two stroke.

 

[ryanryan]

I wouldn't worry about it, just keep an eye on the plugs.

 

[3500GMC]

Yep, watch the plugs. If you are a good ways lower in elevation, your engine could run lean.

 

[rpidelt]

Not as finicky as a 2-stroke and IIRC they were set up pretty fat (rich) from the factory.

 

[jimburr]

its fine