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ZENOAH MARINE ENGINES AND SPARE PARTS
  GAS engine tuned pipes PMB Zenoah instructions

Zenoah marine gas engines are the leaders in this type of model marine engine. All Zenoah marine engines have RC pumper carbs and are watercooled. Zenoah are the most popular engines in gas marine racing for several reasons: Zenoah engines are very well made and strong with high power outputs and easy to start. Zenoah make several marine engines which are listed here. 
ZEN 2 ZENOAH  G260PUM New 25.4cc Petrol engine. Latest watercooled gas marine engine from Zenoah. Very powerful. 4 transfer ports, higher compression ratio, better port timings, single ring, bigger carb, recoil pullstart,  walbro pumper carb with velocity stack,  electronic ignition. £195.00

 

ZEN 7  ZENOAH  G260PUM RACE 25.4cc Petrol engine. Full mod marine engine with recoil pull start and electronic ignition. Race modified.  7.3 bhp at 18,600 rpm. Modified, gasflowed and retimed cylinder porting, modified gasflowed and lightened piston, modified squish, modified induction and big bore carb. This is the most powerful modified Zenoah that you can buy. On water rpm of 19,000 to 19500 rpm. A Zen7 running in a prototype of our new SIGMA 51" mono ran 60 mph on its first test. Link to ZEN7 running at 60 mph in a SIGMA  mono
  
A ZEN7 engine won the biggest 2005 Gas boat FSRV race in Europe. In the 2005 Hannover International our Thunder boat with ZEN7 using  the ZEN 21 header and CS23 tuned pipe beat all of the specialist 25cc and 35cc racing boats. This boat and engine qualified in 1st place, 4 laps in front of the others and won the Final by 3 laps. It needed real power, good throttling and reliability to  to do that. The ZEN7 has all of those things.
   In 2006 at the Haarlem International in Holland, our ZEN 7 powered boat passed all of the Quickdraw and CMB 35cc powered boats and had the fastest laptime (measured by the AMB computer system) in its heats.
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£335.00
ZENTUNE   Racetuning of Zenoah engines even if they were not bought from us.  We can race tune your new or used engine, even if it has been previously modified or bought as a modified engine.   . £179.00
ZEN515 NEW NEW.   BIG BORE CARB KIT
This is a REAL big bore carb.
15mm bore carb which has no butterfly and so has far better flow figures than a normal Walbro carb. This carb has been bored to 15mm and has an aluminium barrel for strength. We have modified the popoff valve pressure, fitted an external pulse line, reduced the throttle arm spring pressure to almost zero. The improved throttling/torque  and increase in peak power with this carb on a modified or stock engine is immediately apparent. The kit comprises modified big bore carb, throttle link, pulse line tube and pulse line nipple.

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£59.00
ETP5 ZENOAH ENGINE TUNING PROGRAM
SPECIAL OFFER FOR Jan to April 2008  £45.00 including shipping to anywhere in the world.
zenoah twostroke tuning software £45.00

 

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CLICK HERE FOR ALL ZENOAH HEADERS AND TUNED PIPES

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ZEN 516 CLUTCH. Clutch assembly to fit Zenoah and Sikk engines.  wpeE.jpg (26535 bytes) no stock
ZEN517 CLUTCH and WATERPUMP assembly ready to fit. 
Complete heavy duty centrifugal clutch and waterpump for Zenoah, CY and Sikk engines. The clutch disengages at low rpm to allow the boat to stop and the waterpump feeds water around the engine to prevent overheating.   
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Zen13 Tygon fuel tubing 3.8mm inside diameter. This is the very soft flexible type of tygon. suitable for petrol(gas). 18" 450mm long wpe1.jpg (46880 bytes) £2.95

 

RC7Z Rubber coupling for Zenoah with male M6 thread for engine to 5mm or 1/4 plain ballraced shafts. .wpe72.jpg (14491 bytes) £9.50
HF19ZZ Flex Hex 4 piece Stainless steel coupling for Zenoah to 1/4" flexishaft wpe1.jpg (17719 bytes) £11.99
ZEN29 Zenoah CY starter pulley for use with starter belt and electric starter. Replaces the pullstart and makes life easy. .wpe5.jpg (49681 bytes) £19.95
ZEN30 Basic motor mount kit for all Zenoah marine engines. G23PUM, G231PUM, G260PUM. wpe2.jpg (21551 bytes) £23.50
ZEN70X X470 aluminium prop balanced and sharpened with 1/4 bore for dog drive .wpe4.jpg (4394 bytes) £15.95
ZEN31 Throttle linkage kit for all Zenoah Marine engines. Contains cable, 2 balljoints and solder on connectors and throttle arm. . £3.95
ZEN32 CNC machined Zenoah motor mount fits 5" rails. wpe1.jpg (24205 bytes) £39.00
ZEN33 Zenoah aluminium quick change motor mount fits 5" rails. zenoahmountht4.jpg (2879 bytes) £33.00
ZEN35 High Quality 59 piece stainless steel socket head bolt set. Replaces all bolts on the marine Zenoah engines and will fit the Zenoah G23, G231 and 260 pum. This is a complete set of top quality stainless bolts, flat washers and lockwashers. Includes hexagon socket screws and washers for cylinder, grey coil mount, red coil mount, waterjacket, recoil, carb insulator, button head socket screws for carb, rear plate mount.  £3.50
WATER JETDRIVE for zenoahs

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