Recommended Items

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  GYTR High Compression Piston Kit

  The GYTR® High Compression Piston Kit provides a performance boost throughout the RPM range while maintaining a high level of durability. Machined valve pockets provide additional valve clearance when used with higher lift camshafts. The kit includes piston rings, piston pin, and clips (uses stock replacements). Requires use of minimum 100-octane racing fuel.

  Note: For use on 2014-2015 YZ250F models, you must replace stock oil nozzle with newer component (1SM-15155-10-00) for proper function of GYTR High Compression Piston.

  This accessory is restricted to closed-course competition use. See California Regulations regarding Emission-Related Parts and Accessories for products for closed-course competition use only.

  $2.49 and up product Details
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  GYTR Rear Sprockets

  The GYTR® Rear Sprockets are made from 7075-T6 billet aluminum CNC-machined for maximum fit accuracy. The rear sprockets features a radial mud groove etched just inside the sprocket teeth to shed mud and grit which saves weight and increases chain life. Sprocket sizes other than stock are for closed-course competition only on ’06 and later off-road models and all street legal models. Changing the final drive ratio affects exhaust emissions and also affects speedometer readings.YZ models are for closed-course competition use regardless of modification.

  This accessory is restricted to closed-course competition use. See California Regulations regarding Emission-Related Parts and Accessories for products for closed-course competition use only.

  $47.35 and up product Details
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  GYTR 520 GDXL2 Quadra-Ring Lite Chain by EK

  The GYTR® 520 GDXL2 Quadra-Ring Lite Chain by EK is designed to reduce friction up to 40% and last 50% longer than conventional O-ring chains. The 520 GDXL2 is the lighter version of the 520 GDX chain and is ideal for small and mid-sized off-road motorcycles, sportbikes and ATVs up to 750cc. Chains will not work on vehicles with a shaft drive.

  Note YZF-R6 and YZF-R6S:
  GYTR 520 chains require purchase of front and rear 520 sprockets, sold separately.

  • Displacement limit: up to 750cc
  • Rivet-type master link included
  • Replacement clip-type and rivet-type master links also available, each sold separately
  • Tensile strength = 8,500 lbs
  • 120 links

  $4.99 and up product Details
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  GYTR® 520 GDX Quadra-Ring Chain by EK

  The GYTR® 520 GDX Quadra-Ring Chain by EK is designed to reduce friction up to 40% and last 50% longer than conventional O-ring chains. The 520 GDX is ideal for off-road motorcycles and ATVs up to 750cc. Chains will not work on vehicles with a shaft drive.

  Note YZF-R6 and YZF-R6S:
  GYTR 520 chains require purchase of front and rear 520 sprockets, sold separately.

  • Displacement limit: up to 750cc
  • Rivet-type master link included
  • Replacement clip-type and rivet-type master links also available, each sold separately
  • Tensile strength = 8,500 lbs
  • 120 links

  $4.99 product Details
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  GYTR 520 GMX2 Non-Sealed Chain by EK

  The GYTR® 520 GMX2 Non-Sealed (Non O-Ring) Chain by EK is specifically designed for Motocross and Supercross, and race-tested by Factory Riders to meet today's high performance machines. The 520 GMX2 features high-tech CrH-coated pins for extremely hard outside surface and softer inside to increase the impact strength.

  • Displacement limit: up to 500cc
  • Clip-type and rivet-type master links included
  • Replacement clip-type and rivet-type master links also available, each sold separately
  • Tensile strength = 8,400 lbs
  • 120 links

  $2.99 and up product Details
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  GYTR 520 GMXL Non-Sealed Chain Lite by EK

  The GYTR® 520 GMXL Non-Sealed (Non O-Ring) Chain Lite by EK is specifically designed for Motocross and Supercross, and race-tested by Factory Riders to meet today's high performance machines. The 520 GMXL saves weight with less rotating mass and also features high-tech CrH-coated pins for extremely hard outside surface and softer inside to increase the impact strength.

  • Displacement limit: up to 250cc
  • Clip-type and rivet-type master links included
  • Replacement clip-type and rivet-type master links also available, each sold separately
  • Tensile strength = 6,600 lbs
  • 120 links
  • Gold colored chain and links

  $2.99 and up product Details
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  GYTR 520 GDO2 O-Ring Chain by EK

  The GYTR® 520 GDO2 O-Ring Chain by EK offers the ultimate balance of performance and durability and is ideal for small and mid-sized off-road motorcycles, sportbikes, and ATVs up to 650cc. Chains will not work on vehicles with a shaft drive.

  Note YZF-R6 and YZF-R6S:
  GYTR 520 chains require purchase of front and rear 520 sprockets, sold separately.

  • Displacement limit: up to 650cc
  • Clip-type and rivet-type master links included
  • Replacement clip-type and rivet-type master links also available, each sold separately
  • Tensile strength = 8,000 lbs
  • 120 links
  • Manufactured by the inventor of the world’s first O-ring

  $3.50 and up product Details
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  GYTR 520 GTS2 Quadra-Ring Chain by EK

  The GYTR® 520 GTS2 Quadra-Ring Chain by EK is the premier GYTR X-Ring chain that is a great replacement chain for race applications up to 1200cc. The 520 GTS2 offers the same exceptional "X-Ring" features of the GDX2 chain, with up to 50% longer life and less friction than a traditional O-Ring-type chain.

  Note FZ1, YZF-R6, and YZF-R6S:
  GYTR 520 chains require purchase of front and rear 520 sprockets, sold separately.

  • Displacement limit: up to 1200cc
  • Rivet-type master link included
  • Replacement rivet-type master link also available, sold separately
  • Tensile strength = 9,400 lbs
  • 120 links
  • Gold colored chain and links

  $6.49 and up product Details
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  GYTR 428 GMX Non-Sealed Chain by EK

  The GYTR® 428 GMX Non-Sealed (Non O-Ring) Chain by EK is a high-quality replacement chain for racing or trail usage and offers the ultimate balance of performance and durability for dirt bikes and ATVs under 200cc.

  • Displacement limit: under 200cc
  • Clip-type master link included
  • Replacement clip-type master link also available, sold separately
  • Tensile strength = 5,000 lbs
  • 120 links/ 136 links (Big Wheel Conversion)
  • Intended for smaller displacement off-road applications
  • Comes with solid bushings, solid rollers, and heat-treated steel alloys

  Note: The original equipment TT-R125E chain has 116 links. The original equipment TT-R125LE has 122 links.

  $59.99 and up product Details