Athena Yamaha-Minarelli horizontal engine race kit
This new race kit for Yamaha-Minarelli horizontal engines consists of a 70 cc cylinder kit and accessories that , installed together , will deliver a race-ready performance on the engines of the iconic Aprilia Rally , Malaguti F10 , F12 and F15 and Yamaha Jog models . Produced by Alonte ( VI ), Italy based Athena , this additional race kit follows on from the success of its Yamaha-Minarelli vertical engine race kit . Marking its 50th anniversary this year , Athena has been a highperformance motorcycle , scooter and moped spare parts industry leader . " Athena ' s R & D team has brought the innovative , patent-pending technical solutions to the design of the kit and its components - consisting of the cylinder kit and coordinating accessories that , together , will reach performance levels never achieved before ". This 47.6 mm big bore cylinder kit is described as the most powerful of its kind . " The cylinder ports are revolutionised by a new fixing system to the crankcases ( patent pending ) with special dedicated bolts , replacing the normal studs . The exhaust ports
are thus redesigned for an increase in the engine performance in terms of torque and power . " The 1.5 mm protrusion of the cylinder head profile allows a perfect centering of the cylinder and a further improved sealing capacity . Finally , the Athena racing
crankshaft , available with 10 mm and 12 mm piston pins , is forged in steel and has lightened counterweights with aluminium inserts for improved balance at any speed ". Developed in collaboration with Selettra , the new variable advance ignition kit has a control unit with high calculation capacity , and it is perfect for the management of speed acceleration , with two selectable race mappings . " The racing exhaust kit has been designed to make the most of the air-cooled horizontal Minarelli engine . The exhaust system is manufactured with precise craftsmanship and treated to handle the smallest particulars ". The kit is complete with the components designed for the intake unit : three air filters of different shapes , race-ready carburetors ( one 24 mm with a Powerjet system and one 28 mm ) and a big valve kit for engine supercharging .
ATHENA Alonte , ITALY Tel : + 39 0444 727272 motorsport @ athena . eu www . athena . eu