CMB Marine FSRV Engines
Prestwich Model Boats
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CMB21 Engine Spares   CMB45 Engine Parts  CMB 90 Engine Parts

CMB marine engines are the world leaders in FSRV marine engines and their engines are used by more racers in circuit racing than any other worldwide. CMB engines have a reputation for ruggedness and high power outputs. All CMB marine engines are watercooled with carb and flywheels where needed. Many CMBengines have needle roller steel conrods including CMB 45, CMB 90, CMB 100.
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DESCRIPTION

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21LSGEAR CMB21EVO LS Green head. LONGSTROKE 3.5cc.  Included is a radio needle valve. This is the NEW CMB Engines 2003 3.5cc motor with 13mm crankshaft and bigger induction port, stronger conrod, and new 8 port liner with longtaper piston and cone plug cylinder head.

more CMB 21 details..

 £184.00
21VALVOLA





21VALVOLADM		 CMB21 Valvola engine as in hobby supplies CMB 21 3.5cc VALVOLA  For gear drive. Drum valve  engine with 2.9bhp at 35,200rpm. Turbo head and radio needle included.  more valvola details

DAVE MARLES Tuned version. Modified head, liner, piston. Modified and balanced drum and modified drum housing and lightweight wrist pin.

 £210.00





£279.00
45RSGEAR






45RSDM		 .wpe24.jpg (35051 bytes) CMB 45 RS 7.5cc MARINE ENGINE for geardrive. . New engine for 2005. Bigger diameter and width crankshaft webs for better stability at high rpm. New much stronger crankcase makes the engine look like the 90 EVO2002. Purple double chambered watercooled head, steel conrod with needle rollers, 4.6 bhp at 31,000 rpm.  Geardrive engine has anticlockwise rotation and carburetor has radio needle included.
DAVE MARLES tuned version. Twin cone plug head, modified liner piston, disc, inlet tract and balance. High power at high rpm with better power through the corners. 5.4 bhp at 29,500 rpm.		 £249.00






£349.00
RS91






RS91DM		 wpe29.jpg (33815 bytes) CMB90 RS91.  New longer stroke 15cc. Steel conrod, needle roller big end bearing.  Double ballrace supported crankshaft with lightweight zimmerman disc valve, double watercooling chamber for optimum cooling. Radio needle valve included.   RS91pics

 DAVE MARLES tuned version with twin cone plug head, modified liner/piston, modified induction disc and inlet tract changed balance. A very high performance 15cc engine.   7.4 bhp at 23,000 rpm.

 £279.00

 

 

£379.00
RS101 wpe29.jpg (33815 bytes) CMB90 RS101.  New longer stroke 16.6cc  Steel conrod, needle roller big end bearing.  Double ballrace supported crankshaft with lightweight zimmerman disc valve, double watercooling chamber for optimum cooling. Radio needle valve included.  £279.00
TCH45 wpe9B.jpg (14616 bytes) Twin cone plug head for CMB 45 . £20.00
TCH90 wpe9C.jpg (28650 bytes) Twin cone plug head for CMB 90 

£22.00
HS2105 . 0.05mm (.002" )head shims  for 21 engines. 3 shims £3.00
HS4505 . 0.05 (.002") head shims for CMB 45 all versions.  3 shims £3.00
HS9005 . 0.05 (.002") head shims for CMB 90 and 91.  3 shims £3.00

 

 WE SHIP WORLDWIDE  email  here  Phone.  UK  07842 634090  . international  0044 7842 634090.      PMB Model Boats,  Mill St, Golborne, Warrington, WA3 3AX.  England..   Model boats of all types including FSRV, FSRH, FSRO Offshore, Deepvee, fast electric, cats, zenoah gas boats