Malossi big bore kit for CBR125R

Relax

Well-known member
Used 166cc (AKA 170cc) Malossi big bore kit

Needs new gaskets for re-installation, but everything else is good.

*** Please note that you will need to adjust the fuel delivery to compensate for the larger displacement, or you will run lean and blow your motor. Replacing the injector with one from a CBR150 is the most cost effective method without having to resort to a replacement or piggyback ECU. I can provide a contact for this part.


Details on the kit here:

http://www.malossistore.eu/en/products/ALUMIN-CYLINDER-Ø-67-H2O-4-stroke_3112830?Type=M

TECHNICAL FEATURES


Cylinder


Material: primary aluminium alloy with a high content of hardened and tempered silicon, cylinder liner with silicon carbide coating in a galvanic nickel die and crossed smoothing with two diamond passages with very limited tolerances.
Machining: on machine tools with high precision numerical control.
Cylinder-piston connection with an allowance of 0.05 mm.
Recalculated and upgraded heat exchange surfaces.
Piston


Ultra compact with 3 rings.
Material: special aluminium alloy with high silicon content, low thermal expansion and a tin facing on the sliding surfaces.
Machining on machine tools with numerical control.
Lightened and reinforced.
Upgraded heat exchange surfaces.
Piston rings


Compression - special rings with high sliding ease and very high mechanical resistance, in chromium-plated S10 spheroidal cast-iron.
1st scraper - ring in chromium-plated S10 spheroidal cast iron.
2nd three - piece scraper ring made of chromium-plated steel alloy.


Asking $300 (compared to $500 new, plus shipping from Europe)
 

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  • Cylinder. MALOSSI BIG BORE 170cc CYLINDER KIT for CARB MODELS.jpg
    Cylinder. MALOSSI BIG BORE 170cc CYLINDER KIT for CARB MODELS.jpg
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