Our Services

Expert engine building, parts supply, service, and trackside support for motocross enthusiasts. DGRacing Engine Services

At DGRacing, we specialize in high-performance 2-stroke motocross engine building and tuning. Every engine is treated with precision — cleaned, measured, and assembled to exacting standards for maximum reliability and power.
(Pricing below applies to 2-stroke engines only. Prices subject to change without notice.)

Engine Rebuild Services

*Bottom End Rebuild Vapor hone engine exterior, split cases, inspect all parts, rebuild crankshaft, replace main bearings & seals, clean carburetor, replace necessary gaskets, .Starts @ $700

Top End Rebuild Disassemble and inspect cylinder & head, replace piston, wrist pin, bearing, and clips. Clean and inspect power valve, check reeds and clutch.Starts @ $200

Crankshaft Servicing Complete crank rebuilds, modifications, truing, and balancing for maximum precision Starts @ $150

.Call for Pricing Complete Ceramic Bearing Installation Full conversion to ceramic bearings for reduced friction and improved RPM stability .Starts @ $550

Performance Modifications

*Cylinder Porting Precision porting with polish and head modification for improved flow and power delivery.Starts @ $475

Match Engine Cases Port the intake and cylinder base areas of the engine cases for perfect transition and improved flow.$125

Carburetor Modification Jetting setup, slide modifications, and taper tuning to improve throttle response and peak performance.Starts @ $75

R.E.M. Finishing Achieves a mirror-smooth finish on all steel internal parts. Reduces friction, improves shifting, and enhances transmission efficiency.$350

Why Choose DGRacing?

  • Expert tuning for race-proven performance

  • Vapor-honed finishes and detailed inspection process

  • Trusted by riders across AMA national amateur circuit

📞 Ready to Schedule Your Build?
Contact Darrell Green at DGRacing for a custom quote or to book your engine service.

Email: info@dgracing.com
Phone: 740-804-4423
Location: Chillicothe, OH

DGRacing provided exceptional service and support at the track. Their engine building expertise and quality parts made a noticeable difference in my performance.

Jake M.

A sectioned motorcycle engine is displayed with detailed internal components visible. The machinery includes gears, pistons, and other mechanical parts, highlighted with bright yellow and blue accents to emphasize certain areas. The engine is mounted on a stand against a plain background.
A sectioned motorcycle engine is displayed with detailed internal components visible. The machinery includes gears, pistons, and other mechanical parts, highlighted with bright yellow and blue accents to emphasize certain areas. The engine is mounted on a stand against a plain background.

★★★★★

Expert engine building, parts and trackside assistance.

dgracingcontact

(740) 804-4423

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