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Yamaha FZ-09 / XSR900 / FJ-09 / YXZ1000r Smog Block Off Plates

$41.99

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Details

  • Model: AB015
  • Dimensional Shipping Weight: 1.1lbs
  • Manufactured by: Graves

Description

  • Material: Billet aluminum
  • Purpose: Seals off ports used by AIS
  • Sold as a pair: Yes
Graves Motorsports Smog Block Off Plates for the Yamaha FZ-09 / XSR900 / YXZ1000r are designed to seal off the ports on the valve cover used by the air injection system (a.k.a smog pumps or AIS). Sold in pairs as a set (to complete 1 bike or side x side install). This product is intended for closed course competition use only. Use of this product for any other purpose is strictly prohibited. The air induction system (AIS) burns unburned exhaust gases by injecting fresh air (secondary air) into the exhaust port, reducing the emission of hydrocarbons. Once these are capped off the air injection system can be safely removed. These Smog Block Off Plates are made from CNC'ed billet aluminum and feature the Graves Motorsports "G" logo. There are three reasons why you want to remove the air injection system from your bike;
  • 1. If you are using your motorcycle on a closed course (racing, track days, etc.) you will want to remove all unnecessary equipment from your bike for reduced weight and ease of maintenance.
  • 2. To get an accurate Air:Fuel (A/F) ratio when dynoing the bike. The air injection system pumps fresh air directly into the exhaust stream in order to burn off any unused fuel. Unfortunately by doing this the A/F ratio is thrown off by the extra "fresh air" in the exhaust stream. By removing the air injection system you can achieve an accurate A/F ratio.
  • 3. This addition will typically remove the majority of popping on deceleration that can be experienced with un-burnt gasses within the emission charcoal chamber. Note: Proper tuning may be needed and this is general feedback.


This part fits the following

TypeMakeModelYearEngineLocationRequiredNotes
ATVYamahaYXZ1000R20169981
ATVYamahaYXZ1000R20179981
ATVYamahaYXZ1000R SE20169981
ATVYamahaYXZ1000R SE20179981
ATVYamahaYXZ1000R SS20179981
ATVYamahaYXZ1000R SS SE20179981
MotorcycleYamahaFJ-0920158471
MotorcycleYamahaFJ-0920168471
MotorcycleYamahaFJ-0920178471
MotorcycleYamahaFJ-0920188471
MotorcycleYamahaFZ-0920148471
MotorcycleYamahaFZ-0920158471
MotorcycleYamahaFZ-0920168471
MotorcycleYamahaFZ-0920178471
MotorcycleYamahaXSR90020168471
MotorcycleYamahaXSR90020178471
MotorcycleYamahaXSR90020188471


This product was added to our catalog on Tuesday 27 September, 2016.




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