Wave125 57MM Big Bore Aluminum Cylinder Block Kit Complete Engine Rebuild Assembly for 125CC 4T Motorcycle

Core Product Parameter Table

Product Full Description (Independent Site Official Copy)

57MM Big Bore Cylinder Kit high-performance upgrade for Honda Wave125 4-stroke air-cooled motorcycles, the ideal solution for stock engine repair and power improvement. Upgraded from the original 52.4mm stock bore to 57mm oversized bore, this cylinder kit boosts the original 125cc displacement up to 145cc, delivering significant torque and horsepower gains. Perfectly compatible with Honda Wave125, Wave125i, KPH125, XRM125, Supra X125 and Future125 FI models, it supports direct bolt-on replacement for stock worn-out cylinders without complex engine modifications.

This Wave125 big bore cylinder assembly adopts high-rigidity aluminum alloy body paired with thickened wear-resistant cast iron inner liner. The upgraded dense heat dissipation fin structure optimizes air cooling efficiency, effectively lowering engine operating temperature during high-speed riding and heavy-load climbing. It greatly solves common stock engine problems including insufficient power, weak climbing performance, slow acceleration, cylinder wear, oil burning and low compression caused by long-term use. The matched high-precision 57mm piston and ring set ensures excellent airtightness and uniform combustion, improving fuel utilization while releasing stronger engine power, balancing performance and daily fuel economy.

This is a complete all-in-one big bore engine rebuild kit, fully equipped with cylinder block, dedicated oversized piston, piston rings and full sealing gaskets, no extra accessories needed for installation. Designed for professional upgrade and daily maintenance, it fits original mounting positions perfectly, saving modification and repair costs. Every cylinder kit undergoes strict factory pressure testing, wear resistance inspection and quality calibration, featuring high durability, high temperature resistance and stable long-term performance. It is the most cost-effective performance upgrade and repair part for Honda Wave125 series 4-stroke motorcycles.

Key Features & Advantages

• 57mm Big Bore Power Upgrade: Upgraded from standard 52.4mm bore to 57mm, increases displacement to 145cc, significantly improves acceleration, torque and climbing power.
• Durable Premium Structure: High-strength aluminum alloy body + thickened cast iron liner, anti-scuffing, high temperature resistant and anti-deformation for long-term high-load operation.
• Optimized Heat Dissipation System: Enlarged and dense fin design accelerates air circulation, effectively prevents engine overheating and power attenuation during continuous riding.
• Complete Upgrade Accessories: Full set of dedicated 57mm oversized parts, including cylinder block, piston assembly and full gaskets, one-stop engine upgrade solution.
• Engine Fault Repair & Performance Boost: Fixes original cylinder oil burning, leakage and low compression issues, restores and comprehensively upgrades overall engine performance.
• Easy Bolt-on Installation: Matches original mounting holes and pipeline positions, no drilling or cutting required, friendly for DIY upgrade and professional workshop modification.

Compatible Models List (SEO Supplementary Text)

Wide compatibility with Honda 125cc 4-stroke air-cooled motorcycle models, including Honda Wave125, Wave125i FI, KPH125, XRM125, Supra X125, Future125 FI. This 57mm big bore kit is a dedicated upgrade part for Wave125 series engines. Please confirm your motorcycle model and original engine type before purchase to ensure perfect installation and compatibility.