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IN STOCK

CMB .21RS (Racing Special)  

   The new .21RS marine engine features a new crankcase with larger flow passages and new design Piston/Liner.  with induction port, stronger conrod, modified cylinder porting, new single plug cylinder head and Red water jacket.

IN STOCK 

CMB .21 Valvola RS-7 Hydro/Offshore "Direct Drive"

   The new .21 Valvola RS-7 Hydro/Offshore engine features a re-designed Induction system with unique fuel diverter for better fuel delivery to the crankcase. Also features a new 9.0 mm bolt-on carburetor with low end needle valve, new design RS-7 Piston/Sleeve, new head to suit standard glow plug and new Red anodised large volume Water Jacket.

CMB .21RS Outboard Power Head

   The new .21RS Long Stroke Outboard Power Head features a super strong 13mm crankshaft with large induction port, double bushed conrod, new Crankcase and modified cylinder porting, single plug cylinder head and Red water jacket.  Designed to mount directly on the K&B 3.5 Outboard leg.  (Now with new higher timed crankshaft)

Transform your .21 O/B into a real powerhouse

       CMB .45 RS (Racing Special)

   The new .45 RS engine features a new larger and stronger crankshaft with wider webs for greater stability at high RPM plus the crankshaft is now supported by twin ball bearings. Also features larger transfer and boost passages, steel conrod with needle bearing and Zimmerman disk intake with increased section in central area. Also has a separate bolt on Carburetor with remote needle valve and new Red anodised double water cooling head. "Now with new ultra strong 7.3mm Crank Pin"

       CMB .45 HR (Hydro Racing)

 The new .45 Hydro Racing engine features a re-designed Valvola style Induction system with a more vertically mounted carburetor, bronze bushed drum and a unique fuel diverter for better fuel delivery to the crankcase. Also features a new crankcase with re-designed large transfer and boost ports, new design Piston/Liner, steel conrod with needle roller big end and advanced lubrication. Includes a new large 10.6 mm bore Carburetor for increased power, low end needle valve and separate R/C 3rd channel main needle valve.

IN STOCK

CMB .67 Hydro Racing 

         New '08 model includes larger 11mm or 12mm Carb. with Low End Needle Valve.   

   The Hydro .67 engine has been designed for circuit racing boats with nitro fuel with longer stroke and smaller bore for high RPM. The latest model features a new crankcase with re-designed boost and transfer ports, new piston/sleeve and larger bore carburetor giving the engine even more rpm and torque. Also includes a new rounded water jacket, new steel conrod with needle roller big end bearing, drum valve intake with bronze bushed housing, single plug head and a separate bolt on Carburetor.

IN STOCK

Custom fitted with powerful '06 Hydro design Piston/Sleeve

CMB .80RS-H (Hydro Racing Special) 

         New '08 model includes larger 12mm Carb. with Low End Needle Valve.

The new .80RS engine has been designed for circuit racing boats with nitro fuel. The latest model features a new re-designed crankcase with larger boost and transfer ports and a new design Piston/Liner. Also includes a steel conrod with needle roller big end bearing, large bore drum valve intake with bronze bushed housing, single plug head and a separate bolt on Carburetor.

IN STOCK 

New '08 version includes a new drum rotor assembly with shorter induction track and new bolt-on carburetor.

CMB .91 HR-08 (Hydro Racing) 

   The new .91HR marine engine features a Valvola style drum induction system with a vertically mounted carburetor, bronze bushed drum and a unique fuel diverter for better fuel delivery to the crankcase. Also features large transfer and boost ports, ABC Piston/Liner, steel conrod with needle roller big end and advanced lubrication. Includes a 14.0 mm large bore Carburetor for increased power, low end needle valve and separate R/C 3rd channel main needle valve.

IN STOCK

CMB .91RS - Hydro/Offshore 

      Hydro/Offshore model features new ABC Liner and larger 13mm Carb. with Low End Needle Valve. 

   The new .91RS marine engine features a longer stroke and smaller bore compared to the 90 EVO-2000 engine plus the crankshaft is now supported by twin ball bearings for greater stability at higher RPM. Also features a new ABC Liner, modified cylinder porting, wider boost port with reduced angle, improved transfer and boost ports and new Carburetor spray bar for more fuel flow at full throttle. Also features double fixed crankshaft with two bearings, steel conrod with needle bearings, Thin Zimmerman disk intake with increased section in central area, separate bolt on Carburetor and double water cooling chamber for better cooling.

IN STOCK

CMB 1.01RS - Hydro/Offshore 

      Hydro/Offshore model features new ABC Liner and larger 13mm Carb. with Low End Needle Valve.  

   The new 1.01RS-H marine engine features a longer stroke and smaller bore compared to the 90 EVO-2000 engine plus the crankshaft is now supported by twin ball bearings for greater stability at higher RPM. Also features a new ABC Liner, modified cylinder porting, wider boost port with reduced angle, improved transfer and boost ports and new Carburetor spray bar for more fuel flow at full throttle. Also features double fixed crankshaft with two bearings, steel conrod with needle bearings, Thin Zimmerman disk intake with increased section in central area, separate bolt on Carburetor and double water cooling chamber for better cooling.

IN STOCK

CMB 35RS "Ring" (Spark Ignition Gasoline Engine) 

"Winner of 2006 FSR-V35 World Championship in Norway"  

   The new Ringed 35RS marine engine is the big brother to the 91/101 RS engines. Featuring twin ball bearings for greater stability at high RPM, ringed piston and chromed brass Liner, large transfer and boost ports, Walbro big bore carburetor, steel conrod with needle bearings and Zimmerman disk intake.

Package includes ignition system, exhaust header and new silenced tuned pipe.