Business Details
50+ Years
experience
Your Trusted Harley-Davidson Performance Specialists in Phoenix
Since 1975, Motorcycle Garage has established itself as a premier destination for motorcycle performance tuning and service. Our expertise spans decades, with owner Bill Miko bringing over 30 years of experience as a former Harley-Davidson dealer and Certified Master of Service Technology. We specialize in ThunderMax AutoTune systems, EFI fuel mapping, and dyno tuning, serving riders seeking optimal motorcycle performance. Our commitment to quality control ensures every service follows a rigorous protocol, including thorough inspections, customer communication, and test rides. With a focus on American V-Twin motorcycles, we offer a comprehensive range of performance parts and maintenance services.Our team stays at the forefront of industry advancements through collaboration with manufacturers on product testing. Located in Phoenix, Arizona, we serve motorcycle enthusiasts across the Southwest region. Our six-day-a-week operation accommodates busy schedules while maintaining personalized service. The combination of technical expertise, state-of-the-art equipment, and customer-centric approach distinguishes us in the powersports industry. Whether upgrading performance or performing routine maintenance, our goal remains consistent: ensuring motorcycles operate at peak efficiency and reliability.
Services
Dyno Tune Service
ThunderMax AutoTune
Big Bore Kits
Motorcycle Tires Service
EFI Fuel Maps
Details
- Year established: 1975
Highlights and features
- Owner operated since 1975 with former Harley-Davidson dealership experience
- Certified Master of Service Technology specializing in fuel injection systems
- ThunderMax AutoTune experts with extensive pre-programmed map database
- Custom dyno tuning using Dynojet chassis dynamometer technology
- Comprehensive 12-point maintenance inspection process with test ride verification
Associations and certifications
- ThunderMax Authorized Dealer
Services
Dyno Tune Service
Our chassis dynamometer tuning optimizes motorcycle performance through precise power curve analysis. Using Dynojet technology, we measure horsepower and torque to calibrate fuel delivery and ignition timing. This service ensures maximum efficiency for modified engines and throttle-by-wire systems.
ThunderMax AutoTune
This stand-alone engine management system provides custom calibration for Harley-Davidson motorcycles. Our technicians program ThunderMax controllers to accommodate performance upgrades while maintaining drivability. The system self-adjusts for environmental conditions and riding patterns.
Big Bore Kits
We offer displacement increase solutions from 98 to 131 cubic inches. These kits enhance torque and horsepower through larger cylinder bores while maintaining reliability. Available for various Harley-Davidson models with supporting component recommendations.
Motorcycle Tires Service
Our tire service includes professional mounting, balancing, and pressure optimization. We recommend appropriate compounds and tread patterns based on riding style and conditions. The service integrates with our comprehensive maintenance inspections.
EFI Fuel Maps
We provide pre-programmed and custom fuel maps for modified engines. Our database covers multiple performance configurations while allowing adjustments for air intake and exhaust modifications. This ensures optimal fuel delivery across RPM ranges.
People
Bill Miko
Owner
Former Harley-Davidson dealer with 31 years of dealership experience, Certified Master of Service Technology, and ThunderMax specialist since 1995. Tests new products with manufacturers and leads all tuning operations.
Questions
What motorcycle brands do you service?
We specialize in American V-Twin motorcycles, particularly Harley-Davidson models with fuel injection systems.
How far in advance should I schedule an appointment?
We recommend booking 4-6 weeks ahead due to our high demand for precision tuning services.
Do you service both modified and stock motorcycles?
Yes, we handle both stock maintenance and performance upgrades for various engine configurations.
What makes ThunderMax different from other tuners?
ThunderMax is a self-learning system that automatically adjusts for environmental changes and riding conditions in real-time.
What's included in your comprehensive service?
Our 12-point inspection covers fluids, mechanical components, and performance systems with test ride verification.
Can you program multiple riding profiles?
Yes, we can program different maps for varying conditions like high altitude or performance riding.
Videos
