Mechanic working in the Bolt Bully Customs shop

What we do

Built Different. Built Right.

From full custom builds to quick tune-ups — every job gets the same obsessive attention to detail.

01Performance

Minibike & Kart Performance Builds

Full ground-up performance builds built to rip. We source, fabricate, and assemble every component — frame, engine, drivetrain, and finishing — engineered for maximum speed and built to last.

  • Frame fabrication & modification
  • Engine selection & installation
  • Drivetrain & brake setup
  • Full assembly & test ride

Starting at

$1,500+

4–8 weeks
02Engine Work

Engine Repairs & Restoration

Whether it's a tired motor that needs new life or a seized engine that needs a full rebuild, we diagnose, repair, and restore small-displacement engines back to peak running condition.

  • Full engine teardown & inspection
  • Bore, hone & ring replacement
  • Valve train service
  • Assembly & break-in

Starting at

$50+

1–3 weeks
03Custom Builds

Custom Builds

Got a vision? We'll build it. From scratch-built one-offs to heavily modified production machines, we handle every aspect of the build — fabrication, assembly, and finishing — to bring your idea to life.

  • Custom frame work & fabrication
  • Component sourcing & fitment
  • Wiring & electrical
  • Full build management

Contact us for more info

2–6 weeks
04Maintenance

Oil Changes & Filter Service

Keep your machine running clean — minibikes, gokarts, and cars. We handle routine oil changes and filter swaps quickly and cleanly, so you stay on the road or track without the hassle.

  • Oil drain & refill
  • Oil filter replacement
  • Air filter service
  • Cars, minibikes & gokarts

Starting at

$35+

Same day
05Tuning

Carb Tuneups

A properly tuned carb makes all the difference. We jet, needle, and dial in your carburetor for your altitude, fuel, and riding style — no more bogging, no more fouled plugs, just clean throttle response.

  • Jet & needle adjustment
  • Air/fuel ratio optimization
  • Idle & throttle response tuning
  • Full carb clean & rebuild available

Starting at

$20+

Same day
06Paint & Finish

Minibike & Kart Paint Jobs

Show-quality custom paint from base coat to clear. Solid colors, metal flake, candy, and full custom graphics — we prep, spray, and finish everything in-house for a result that turns heads.

  • Surface prep & primer
  • Custom color mixing
  • Metal flake & candy finishes
  • Clear coat & polish

Starting at

$300+

1–3 weeks

Ready to Get Started?

Hit us up for a quote or to talk through your build. We'll figure out exactly what your machine needs.

Get a Quote