GREG'S ATV & CYCLE
GREG'S ATV & CYCLE
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    • '06+ TRX450R
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    • LT250R
    • LT500
    • LTR450
  • Yamaha
    • Blaster
    • Banshee
    • Raptor 125
    • Raptor 250
    • YFZ450
    • YFZ450 R/X
  • Hybrid
    • CRF150R
    • WR / YZ 250F
    • 17-23 CRF/TRX 450 EFI
  • More
    • Home
    • Engine
    • Suspension
    • Dyno
    • Honda
      • ATC / TRX250R
      • TRX300EX
      • TRX400EX
      • '06+ TRX450R
    • Suzuki
      • LT250R
      • LT500
      • LTR450
    • Yamaha
      • Blaster
      • Banshee
      • Raptor 125
      • Raptor 250
      • YFZ450
      • YFZ450 R/X
    • Hybrid
      • CRF150R
      • WR / YZ 250F
      • 17-23 CRF/TRX 450 EFI

  • Home
  • Engine
  • Suspension
  • Dyno
  • Honda
    • ATC / TRX250R
    • TRX300EX
    • TRX400EX
    • '06+ TRX450R
  • Suzuki
    • LT250R
    • LT500
    • LTR450
  • Yamaha
    • Blaster
    • Banshee
    • Raptor 125
    • Raptor 250
    • YFZ450
    • YFZ450 R/X
  • Hybrid
    • CRF150R
    • WR / YZ 250F
    • 17-23 CRF/TRX 450 EFI

TRX 300EX

Engine Packages & Parts

Pistons

Start at $195

We carry 76mm pistons from JE & Wossner for this model.

We can Bore & Hone your cylinder as well!

Camshafts & Rockers

CALL

We personally use WEB CAMS in all of our 300EX builds. Many grinds to choose from, we try to keep them in stock. Core is required

Oversize Valves

$40 each

+2mm ( 27.5mm ) Intake Valves       *Valve Seat Machining Required*

+.5mm ( 23mm ) Exhaust Valves

Sparks Exhaust

$595

We use the SPARKS X-4 Exhaust on our Schoolboy 300cc builds

GNCC Schoolboy Package

$1850

True 300cc Engine Package. 

Used by multiple GNCC, WEXCR & AWRCS winners. 

Produces 30HP on our Dyno when paired with a Sparks X-4 Exhaust.

Package Includes: 

76mm JE Piston

Web Cam & Rocker Arms (Your Cores Required )

HD Valve Springs

Oversize Intake & Exhaust Valves

Top End Gaskets

MVP Mods Viton Valve Seals

Aftermarket 400ex Carb

Porting / SERDI Valve Job

Cylinder Boring ( Bore & Hone Customers Cylinder )

* Engine Teardown & Assembly available for an additional charge *

130 South Water St. Coshocton OH 43812

Copyright © 2018 GREG'S ATV & CYCLE  - All Rights Reserved.

Phone 740-622-9988

  • Engine
  • Suspension
  • Dyno