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Graves Motorsports Velocity Stack Kit - Yamaha R1 2002-03
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List Price: $99.95
Our Price: $90.00
You Save $9.95
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The Graves Motorsports YZF-R1 Velocity Stack Kit is specially designed to suit the new fuel injected Yamaha Motor. The kit of two rubber intake stacks replace the stock intake stacks on the #2 and #3 cyclinders. These new intake stacks mount directly into the stock airbox (or Graves Ram Air Box) without modification and are designed to smooth out the power curve, increase horsepower throughout and improve fuel efficiency. Power gains of up to 6 HP in the mid range and 2 HP at the top end are not uncommon.
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Graves Motorsports Smog Block Off Plugs - Yamaha R1 1998-2003
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List Price: $24.95
Our Price: $22.50
You Save $2.45
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Graves Motorsports Smog Block Off Plates are designed to seal off the ports on the cylinder head used by the air injection system (a.k.a smog pumps or AIS). Once these are capped off the air injection system can be safely removed. These Smog Block Off Plates are made from machined aluminum. There are two 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.
Sold set of four
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Graves Motorsports Slide Stops - Yamaha R6 2005
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List Price: $74.99
Our Price: $68.00
You Save $6.99
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Graves Motorsports Throttle Slide Stop Kit has been designed to hold the throttle slides in the fully open position. The outcome is improved throttle response and increased acceleration. The kit comes complete with comprehensive installation instructions. Fuel maps for the Dynojet Power Commander, to suit your specific application, can be downloaded from gravesport.com.
*Note the Graves Slide Stop kit must be used in conjunction with a Dynojet Power Commander.
Note: This kit DOES NOT include or require a fuel pressure booster as Yamaha has increased fuel pressure in the R6 for 2005.
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Graves Motorsports Smog Block off Plates - Yamaha R1 2004-09 / R6 2003-09 / R6S 2006-09 / FZ1 / FZ6 / ZX6RR 2003-08 / ZX10R / ZX12 2004-2008 / ZX14R
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List Price: $36.95
Our Price: $33.25
You Save $3.70
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Description: Graves Motorsports Smog Block Off Plates are designed to seal off the ports on the valve cover used by the air injection system (a.k.a smog pumps or AIS).
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 two 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.
Sold per pair
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Graves Motorsports Velocity Stack Kit - Yamaha R1 2004-06 / FZ1 2006-08
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List Price: $149.95
Our Price: $135.00
You Save $14.95
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The Graves Motorsports YZF-R1 Velocity Stack Kit is specially designed to suit the new fuel injected Yamaha Motor. The kit of 4 injection molded plastic intake stacks mount directly into the stock airbox without modification and is designed to smooth out the power curve, increase horsepower throughout and improve fuel efficiency. Power gains of 4 HP in the mid range and 2 HP at the top end are to be expected.
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Graves Motorsports Ram Air Box Kit; Yamaha R1 2002-03
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List Price: $499.99
Our Price: $449.99
You Save $50.00
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Graves Motorsports Ram Air Box Kit; Yamaha R1 2002-03
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Graves Motorsports Velocity Stack Kit; Yamaha R6 2003-04
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List Price: $99.95
Our Price: $89.95
You Save $10.00
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Graves Motorsports Velocity Stack Kit; Yamaha R6 2003-04
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