Complete Engine Builds
Bottom-to-top builds assembled around your machine, riding style, and performance goals.
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Request a BuildTwo-Stroke Performance
PERFORMANCE YOU FEELQUALITY YOU SEE
Precision two-stroke engine builds, cylinder porting, vapor honing, and full restorations for riders who expect more from every pull.
Featured BuildYamaha Blaster
Complete Engine BuildsCylinder PortingPerformance RebuildsCustom Finishes
What We Do
Everything your two-stroke needs.
From a dependable refresh to a complete performance package, every job is planned around the full combination—not a collection of random parts.
Cylinder Porting
Purpose-built port work focused on usable power, clean delivery, and the combination around it.
Ask about this serviceCases & Custom Finish
Vapor-honed, coated, or color-matched cases that make the finished build look as good as it runs.
Ask about this serviceCarburetor Setup
Cleaning, setup, and baseline calibration to complement the complete engine package.
Ask about this serviceBuild Planning
Straight answers on parts, pipe pairing, and the right direction before money is spent.
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Clean parts. Custom finishes.
In-house restoration and finishing services for the parts that deserve the same attention as the engine behind them.
01Vapor Honing
Restore cast aluminum parts to a clean, factory-fresh finish without changing critical dimensions.
- Cases
- $100
- Carbs
- $50
- Top end
- $150
02Custom Window Clutch Cover
$350Machined, blasted, and coated in-house in your choice of finish and color.
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03Clutch Cover Restoration
$100+Your choice of vapor honing, Cerakote, powder coating, or polishing to restore your clutch cover.
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04Carburetor Rebuild / Restore
$125We fully inspect, vapor hone, and rebuild your carburetor with genuine parts.
Request this serviceFinal pricing may vary with part condition and requested finish.
Parts selected for the complete buildNo Shortcuts
Genuine Quality Parts
No knockoff BS, no shady part swapping. We source, inspect, and install ONLY the highest quality parts available for your engine.
Trusted componentsInspected before assemblyBuilt for your engine
Built In-House
Real work. Real attention to detail.
A look inside recent engine builds, port work, case preparation, and custom finishes completed at Curley's Speed Shop.
Documented Work
Inside the build.
A closer look at the top end, bottom end, and clutch side of a Yamaha Blaster engine build.
01
Top End
02
Bottom End
03
Clutch Side
The Process
No guessing. No mystery.
A straightforward process keeps expectations clear from the first conversation to the finished build.
- 01
Tell us the goal
Share the machine, current setup, riding style, and what you want the finished engine to do.
- 02
Build the plan
We define the scope, parts direction, and engine combination before the work starts.
- 03
Precision work
Components are inspected, prepared, measured, and assembled with attention to the details that matter.
- 04
Full Documentation
Every engine build is fully documented, showing that we did the work exactly as described.
- 05
Ready to run
You receive a finished package with clear setup and break-in guidance for your combination.
Curley's Speed Shop
Built by someone who knows these engines.
Curley's Speed Shop is focused on two-stroke performance, especially Yamaha Blaster engine builds. The goal is simple: thoughtful combinations, honest recommendations, clean work, and an engine built for the way you actually ride.
2TSpecialized
100%Build-focused
1:1Planning
Contact
Let's talk about your build.
Have a project in mind or questions about a service? Contact Curley's Speed Shop directly to discuss the details.
Start Your Build
What are we building?
Add the basics below. The site will format your information into a clean build brief you can copy and send with photos through your preferred contact method.
Good to includeMachine year and model, current modifications, fuel, pipe, carburetor, and the kind of power you want.