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  1. #1
    Jake Speed's Avatar
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    This is for you 2 stroke guys !!

    AAEN V-4 Two Stroke Racing Engine Aaen V-4 Two Stroke Racing EngineWeightWidthLengthHeight95 Lbs.18"16"14"44 kg.457 mm406 mm355 mmAaen V-4 Two Stroke Racing EngineEngine Config.Bore & StrokeDisplacementHP @ RPMV-4 Drag65 X 58.5800cc215 @ 10,000V-4 Drag74 X 58.51025cc275 @ 10,000V-4 Road Racing67.5 X 58.5850cc200 @ 9250 V-4 Racing Engine

    The unique V-4 engine design combines light weight with the strength to take the punishment of the most demanding conditions. The durability of the design has been proven in SCCA road racing where the V-4 engine has raced problem free for several seasons in our D-Sport race car.

    1000 cc engines are presently also used in snowmobile ice drag racing and ATV sand drag racing.

    The compact low inertia crank fires every 90° and allows us to rev the engine in excess of 12,000 RPM without running into any critical torsional vibrations. The 1000 cc and 800 cc drag racing motors have been raced for 7 seasons without any crank or clutch failures. 10 Port Cylinder Design

    The 10 port cylinders have been carefully developed to deliver maximum cylinder filling efficiency. The cylinder filling is taken care of by 2 piston controlled intake ports, five transfer passages and triple exhaust ports. The back transfer port is a unique design that runs inside the intake port divider, giving it the direction it needs for efficient scavenging, and at the same time allowing for maximum intake flow area. A special forged piston with a wide intake skirt insures that the intake port is large enough for the highest engine speeds.

    Cylinder cooling includes a water jacket around the exhaust port. Sealing between the cylinder and head is taken care of by double O-rings.

    The V-4 engine breaths through a special 4 barrel manifold with 52 mm intake diameters and electronic fuel injection.

    The V-4 racing engines are designed specifically for racing.

    We will only sell these engines to qualified drivers fully committed to top class racing.
    Last edited by Jake Speed; 11-18-2007 at 07:18 PM.


  2. #2
    WATER WOODY's Avatar
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    That is crazy huh! Wonder what kind of hp/tq they can get out of them. Welcome to the forum Jake.

  3. #3
    Jake Speed's Avatar
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    Quote Originally Posted by WATER WOODY View Post
    That is crazy huh! Wonder what kind of hp/tq they can get out of them. Welcome to the forum Jake.
    its all there hp and rpm

  4. #4
    Chrisrokc's Avatar
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    Only 200 - 275 hp?

    Shit I think my 1400 cc will make 200+ easy.

  5. #5
    Jake Speed's Avatar
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    Quote Originally Posted by Chrisrokc View Post
    Only 200 - 275 hp?

    Shit I think my 1400 cc will make 200+ easy.
    Yea but you get 3000 more RPM at the pump !!

  6. #6
    just GOT TO DO IT! great lakes gpr 1200's Avatar
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    Quote Originally Posted by Jake Speed View Post
    Yea but you get 3000 more RPM at the pump !!
    Yes that is true. but I read somewhere that there is a limit to pump RPM and how well it works.

  7. #7
    African-American
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    If its got enough torque, one would need a massive impellor pitch ... 20/35 anyone ?

  8. #8
    African-American
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    Aaen V-4 Two Stroke Racing Engine

    Engine Config. Bore & Stroke Displacement HP @ RPM

    V-4 Drag 65 X 58.5 800cc 215 @ 10,000
    V-4 Drag 74 X 58.5 1025cc 275 @ 10,000
    V-4 Road Racing 67.5 X 58.5 850cc 200 @ 9250

  9. #9
    Connecticut CrazyA's Avatar
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    That thing is sweet. I remember checking that out a while back.

    2 very important things to keep in mind though about that engine:

    1) Price... it costs $15,000.00

    2) Two of the main contributing factors of those high numbers would be exhaust and clutching. What are you going to do about that?

    I would imagine that a clutched sled motor turning 9,500rpm or more probably engages at 5,000rpm and up. Just guessing though. After all, it is a V-4, maybe they can bring it in lower.

  10. #10
    Vern's Avatar
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    What Crazy said ... that engine has been around for many years, and would be great in a sled or cart, but in a ski? Reality is that fabbing water-cooled exhaust on a V-4 would be time consuming and expensive, and making max power at 10,000 rpm in a ski is a disadvantage, 7 - 8000 rpm is better for pump efficiency.

    Reality check - you can get a RXP/T SC 4-tec engine complete for $3500 usually. With bolt ons for more boost and better ECU, you can easily exceed 275 hp at 8500 rpm, the engine is 100% complete, has charging system, ECU, water-cooled exhaust, the driveline and motor mounts are already set for a jetski hull ... from a logical dollars and cents and ease of completion viewpoint, the SC 4-tec engine currently has very little competition. We have yet to see a non-marine 4 stroke engine successfully transplanted into a ski as far as I know (other than Rexx's Mazdoo rotary possibly) ... the time and money involved in converting a 'land-based' engine into a reliable jet-ski powerplant makes it extremely difficult.

    IMO, very cool engine, but of zero interest as a PWC powerplant ...
    Last edited by Vern; 11-19-2007 at 10:16 AM. Reason: fixed

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