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2010 Yamaha YZ250F

Moto Tassinari Air4orce Intake System

Retail: $298.99
$269.99
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FITS: 2010 Yamaha YZ250F change
 
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Moto Tassinari Air4orce Intake System

Product Description

  • Tunable Intake System to increase horsepower.
  • Replaces stock air intake boot w/custom designed one to allow maximum air flow.
  • Interchangeable velocity stacks (industry first) to fine tune power delivery.
  • Long velocity stack: Increased stock power curve with better acceleration.
  • Short velocity stack: Stronger mid-to-top power with better acceleration.
  • Includes clamps and gaskets where necessary.
  • Customer Reviews
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4.7 out of 5 stars
5 star   2
4 star   1
3 star 0
2 star 0
1 star 0
1-3 of 3
Overall
Verified Purchaser
Location: Colorado Springs, CO, USA

Great product - the powerband was improved with the long stack...

Overall
Top 1000 Contributor Verified Purchaser
Location: Prairieville, LA, USA
A Must Have !!!

One of the Best Mods you can fo to your 4 Stroke !!

Overall
Location: Boise, ID
Excellent!

There this on my 2010 YZ250F and went with the stack to improve the top end. Install was super easy. I noticed a huge change to my bike's power during my first ride at the track after install and I couldn't be happier with how much improvement I saw. If there was a bike to put this product on, it is definitely a YZ250F. It greatly reduced the flat feeling that was there in the higher gears and the hit off closed throttle is awesome in any gear! ****HOWEVER****, once i got the boot installed and was wiping off the finger prints, the MT logo on the boot straight ripped off! The raised red pieces on the logo are glued on like garbage and nothing I tried would get it to stay on. Spending $300.00 dollars on what amounts to $10.00 of rubber and having this happen is a huge bummer. I've tried to call their customer service line on three occasions with no luck of actually getting anyone. For this reason, I gave the product 4 stars instead of 5. Putting aside this single shotty aspect of the air boot, I would say the product is a definite 5.

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timdog 3 months 29 days ago
Does the intake help stop end bog?
Top 10 Contributor
3 months 29 days ago Location: Steamboat, co
Nope, but your bike is running lean...becareful not to blow it up. You won't believe the awesome power you will gain when you richen up your jets and needle. The more air your bike gets the leaner it will run. I found this out the hard way when I drilled holes in my air box...very bad idea. Have a mechanic dial in your slow jet, main jet, and needle jet. If you only want to spend 5 bucks on a main jet and do it yourself then you will find a monster difference by this fix only. The other fixes won't be a factor for your bike to blow up. The other minor changes will not make your bike blow if left alone. Main jet is under carb...loosen the aluminum large bolt. The main jet will be hidden in the center and is a small brass nut. Becareful not to overtighten this brass nut. You might have to twist the carburator sideways to get at the bottom...slight hassle. Rip and Roar
MotoSport Staff Expert
3 months 28 days ago
I would recommend looking into the jetting on your bike to fix the issue you are having the bike bogging. If your bike was properly jetted and tuned the Moto Tassinari Air4orce Intake System would help the performance of your bike but simply installing it would not solve the bog problem. Items that may help more with the bog issue: 1. Jet Kit 2. Accelerator Pump Cover 3. Fuel Mixture Screw I would also recommend taking your bike to a shop or mechanic to have it re-jetted and tuned if you do not have previous experience doing this yourself.
rockriver643 Over 5 months ago
Does it mess with jettin do i need to change jettin after i put it on?
got a 2011 yz250f would i need to adjust anyhing
MotoSport Staff
Over 5 months ago Location: Portland, OR, USA
If your bike is currently jetted correctly you should not need to make any changes.
wesley Over 7 months ago Location: Iowa, USA
Is this product for fuel injected bikes only?
MotoSport Staff
Over 7 months ago Location: Portland, OR, USA
No, this is available for some carbureted models also. We do have it available for your 2009 KX250f, but unfortunately this is a 4 stroke only item and is not available for your 2005 KX125. When ordering please make sure to profile your bike correctly as these are model specific.
Dirty56 1 year ago
Will this product go with the Loud Mouth Performance Intake Kit and still provide the horsepower it says it does?
MotoSport Staff
1 year ago Location: Portland, OR, USA
Since the Moto Tassinari Intake replaces your stock intake boot and not the airbox, you should have no problems using in conjunction with the loud mouth intake without hindering any performance.
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