Description
Restore the iconic “7-Port” power and screaming performance of your RD 350 with the world’s most trusted Japanese engine components.
The Yamaha RD 350 is a high-performance masterpiece that demands absolute mechanical harmony. When your engine loses its crispness or shows signs of deep cylinder wear, settling for anything less than Japanese-engineered hardware is a risk to your crankshaft and cases. The TKRJ Piston Kit (1.00mm Oversize) is crafted to meet and exceed OEM specifications, providing the perfect balance of thermal stability and high-RPM durability for your air-cooled twin.
Why TKRJ is the Gold Standard for RD 350 Rebuilds:
Authentic Japanese Engineering: TKRJ is world-renowned for manufacturing pistons that perfectly mirror the metallurgical properties and weight of original Yamaha factory parts, ensuring a “factory-fresh” feel.
1.00mm Oversize (4th OS): This kit is the professional’s choice for cylinders with significant scoring or previous rebores. It allows a machinist to clean up the bore to a fresh, perfectly round surface, effectively giving your engine a “new life.”
High-Silicon Aluminium Alloy: Engineered to withstand the extreme heat cycles of the RD 350’s air-cooled engine. This advanced alloy resists “four-point seizing” and maintains its structural integrity under the intense pressure of high-speed 2-stroke combustion.
Precision-Matched Ring Set: Includes premium Japanese rings designed to seat quickly against the cast-iron sleeves, ensuring maximum compression, minimal blow-by, and a clean, efficient burn.
Balanced Reciprocating Mass: In a twin-cylinder engine, balance is everything. TKRJ pistons are manufactured to strict weight tolerances to ensure your crankshaft stays balanced, reducing the “numbness” in your handlebars at high RPMs.
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