iNOUE BORING
Kawasaki H2 750SS Mach Ⅳ STD φ71.0 Aluminum Sleeve Finish Cylinder Processing
Kawasaki H2 750SS Mach Ⅳ STD φ71.0 Aluminum Sleeve Finish Cylinder Processing
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About This Service
This is a cylinder rebuild service for Kawasaki H2 750SS Mach Ⅳ STD φ71.0. Upon receipt of your cylinder, we will rebuild it and ship it back to you. Please send us only the cylinder and the corresponding piston, with payment in advance. We will install an aluminum sleeve plated with nickel-silicon-carbide (hardness second only to diamond) and ensure proper piston clearance before returning it to you.
Never Wears Out. Seizure-Proof. Lightweight.
- Ride right away—no break-in required
- Exceptionally long-lasting
- One-third the weight of cast iron
- 5× the heat transfer of cast iron
- Rust-free
What is ICBM™ Processing?
- Remove the original cast-iron sleeve.
- Install a precision nickel-silicon-carbide-plated aluminum sleeve.
- Ride with a lightweight, ultra-durable cylinder that preserves itself as you go.
How to Order
- Click [Add to Cart] to purchase the machining service only.
- Complete the Quate Request/Service Form below.
- Within one business day we’ll confirm schedule by email.
- Print the confirmation PDF and include it when you ship us your cylinders and pistons.
- After machining, we inspect every component and ship it back to you.
Shipping address:
Inoue Boring Co., Ltd.
〒350-1155 Saitama Prefecture Kawagoe City Shimoakasaka Onohara 671
℡:+81-49-261-5833
Need pistons supplied? Request a quote on our Estimate Request page.
Processing takes ≈ 20 business days.
All work is completed in our insured, domestic facility, and every component is quality-guaranteed. Ride with confidence—preserve your engine for the next generation.
Compatibility
Year | Make | Model | Submodel | Notes |
1975 | Kawasaki | H2 | Mach IV | |
1974 | Kawasaki | H2 | Mach IV | |
1973 | Kawasaki | H2 | Mach IV | |
1972 | Kawasaki | H2 | Mach IV |
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Please fill out the form below:
Enter your engine information and click “Submit.” We’ll confirm you within one business day.

ICBM™ gives your engine alive again!
- Long-lasting super durability
- Preserve your engine while riding
- Feel the engine's pulse forever!
“We want to create a cylinder that doesn't wear down...” This has been Inoue Boring’s long-held dream. This technology dramatically improves the durability of the cylinder bore by manufacturing an aluminum sleeve and applying a special plating to the inside diameter.
Why ICBM™ is "Revolutionary”
✔ Exceptional wear resistance
✔ Lightweight
✔ Low friction (reduces ring wear)
✔ Highly resistant to seizure
✔ Excellent heat dissipation
✔ Uniform expansion rate
✔ And it’s rust-resistant!

TESTIMONIALS

”Elegance Reborn: My Mach III Runs Like New”
My Kawasaki Mach III is over 50 years old. Many parts were worn out, so I used Inoue Boring’s modern engine work to bring it back. With ICBM™ treatments, it runs smooth and strong. It won First Place at a restoration contest hosted by Inoue Boring. This bike is old—but alive.
-Mr.Hirakawa Kawasaki H1 Owner
Japan

”Back to Life: My Orange H1-B with ICBM™”
“After years in storage, I brought my H1-B back with Inoue Boring’s ICBM™ treatment. The old cast-iron sleeve was replaced with an aluminum one, letting me return to the standard bore. I even added a bridge port. It’s not about more power—it’s about bringing back the ride I remember.”
-Mr. Katsumi Taguchi Kawasaki H1-B Owner
Japan
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