Services

Yamaha Two-Stroke Performance Services

MotoTech specializes exclusively in Yamaha two-stroke performance. Every service is focused on maximizing reliability, performance, and rider satisfaction through careful inspection, machining, assembly, and development.

Whether you're looking for a stock rebuild, race engine, cylinder head, or complete custom package, MotoTech can help you achieve your goals.

Engine Packages

Complete engine packages developed around your bike, riding style, fuel, terrain, and desired power characteristics.

Services include:

• Stock rebuilds

• Performance rebuilds

• MX packages

• Woods packages

• Big bore packages

• Custom engine development

• Race fuel and pump fuel combinations

• Rider-specific setup recommendations

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Cylinder Heads

MotoTech cylinder heads are designed to optimize combustion efficiency, improve throttle response, and tailor power delivery to the rider's application.

Services include:

• Pump gas configurations

• Race fuel configurations

• Woods configurations

• Custom dome designs

• Squish optimization

• Compression tuning

• Replacement domes and components

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Porting Services

Cylinder porting is tailored to how the motorcycle will actually be ridden.

Available applications include:

• Motocross

• Supercross

• Off-road racing

• Trail riding

• Vet racing

• Big bore combinations

• Custom applications

Each package is developed to improve power delivery while maintaining reliability and rideability.

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Big Bore Kits

Big bore packages are available for select Yamaha models.

Available options may include:

• YZ125 big bore combinations

• YZ250 big bore combinations

• Complete engine packages

• Fuel-specific setups

• Supporting modifications and recommendations

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Crankshaft Services

Precision crankshaft work is critical to engine reliability and performance.

Services include:

• Crankshaft rebuilding

• Inspection and measurement

• Bearing replacement

• Connecting rod replacement

• Truing and alignment

• Complete bottom-end assembly

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Complete Engine Building

MotoTech offers complete engine assembly services with attention to detail and proper measurement throughout the process.

Services include:

• Complete engine rebuilding

• Bearing and seal replacement

• Top-end rebuilding

• Bottom-end rebuilding

• Clearance verification

• Torque verification

• Final inspection

• Custom engine packages

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Machining Services

Precision machining services are available for Yamaha two-stroke engines and components.

Services include:

• Cylinder head machining

• Surface machining

• Custom modifications

• Weld repair work

• Thread repair

• Precision measurement

• Development work

Vapor Blasting

Vapor blasting restores aluminum components while maintaining a factory appearance.

Common applications include:

• Engine cases

• Cylinder heads

• Covers

• Water pumps

• Miscellaneous aluminum components

Cerakote

Cerakote provides a durable and attractive finish while helping protect components from corrosion and wear.

Applications include:

• Cylinder heads

• Covers

• Cases

• Brackets

• Miscellaneous components

Multiple colors and finishes are available.

Technical Support

MotoTech provides technical support and recommendations to help customers choose the right combination of parts and services.

Areas include:

• Jetting

• Fuel recommendations

• Compression and cylinder head selection

• Porting recommendations

• Big bore combinations

• Engine package selection

• Setup recommendations

Build Consultation

Not sure what combination is right for your bike?

MotoTech can help you determine the best setup based on:

• Bike model

• Riding style

• Elevation

• Fuel availability

• Rider skill level

• Power delivery goals

• Budget

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