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Old 10-22-2009, 04:00 PM
Weekend Warrior
Join Date: Oct 2009
Posts: 6
Default Rancher 420 efi programmer

Guys, I need help. I'm new to the ATV world, but I have a Harley and am familiar with efi programmers. I sold my duckboat and gonna use this atv to haul equipment to various duckblinds in the Mississippi delta. It is a 08 Rancher 420 4x4. I put on ITP wheels and tires, rack extenders, winch, receiver hitch, etc. I thought I was done with the customizing, and put a bid on a HMF Exhaust on EBAY, and won it. I really don't want the exhaust, but figured if I could get a good deal, what the heck. With Harleys, when you add after market exhaust, you need to add a hi-flo air filter and an efi programmer. I have a Vance and Hines fuelpak on my Harley. I like the plug and play simplicity of it. I assume the same holds true with efi atv's? I'm looking for suggestions as to programmers, and airfilters. I'm looking for something simple. Don't want to have to plug a laptop up to it. All suggestions will be appreciated. Thanks
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Old 10-22-2009, 04:31 PM
Pro Rider
Join Date: Aug 2007
Location: Wyoming
Posts: 414

Check HMF, they offer a programmer to go with their pipes.
'07 Rancher 420 FM
'07 Rancher 420 TE
'95 J.D. Gator
'93 Yamaha SX Exciter

"Not all who wonder are Lost"
"You're never Lost if you don't care where you are!"
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Old 10-24-2009, 07:58 PM
Weekend Warrior
Join Date: Oct 2009
Posts: 6

Thanks for the reply. Any other suggestions?
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Old 10-24-2009, 11:44 PM
Join Date: Oct 2009
Posts: 42

Where are you located?

I am in Northern Mississippi and the Honda dealer here tunes ATV/motorcycles/etc for $160. I'm pretty sure they strap it down to the dyno so you know your exact horsepower numbers.

Maybe a Honda dealer near you does the same thing?
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Old 10-26-2009, 07:22 PM
Weekend Warrior
Join Date: Oct 2009
Posts: 6

What would be the consequences if I didn't add a programmer, and just ran it with the exhaust?
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