Shop Athena Performance Parts - 70cc Big Bore Cylinder Kit Athena for Minarelli Scooters Yamaha Zuma II, Yamaha Vino 50cc 2T, YJ50, Vino YJ50RA Scooters
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Shop Athena Performance Parts - 70cc Big Bore Cylinder Kit Athena for Vertical Minarelli Scooters Yamaha Zuma II Scooters
Shop Athena Performance Parts - 70cc Big Bore Cylinder Kit Athena for Vertical Minarelli Scooters Yamaha Zuma II Scooters
Item Nr.:
070100
Athena
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old price $236.50
$189.87
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Shop Athena Performance Parts - 70cc Big Bore Cylinder Kit Athena for Minarelli Scooters Yamaha Zuma II, Yamaha Vino 50cc 2T, YJ50, Vino YJ50RA Scooters

Kits come complete with aluminum cylinder (with a nickel carbide-plated 47.66mm bore), cylinder head, piston assembly (piston, rings, wrist pin and circlips), carbon reeds and all required top-end gaskets. Optional high-performance crankshafts (sold separately) replace OEM and are manufactured to Athenas highest standards. Replacement top-end gasket kits and piston kits also available separately. Item 070100

Aluminum cylinder cast in steel molds and manufactured by CNC machines to assure minimal tolerances during all manufacturing process. Projects use 3D solid modelling software creating virtual simulation and verification of mechanical stresses. Cylinder liner with a special silicon carbide and nickel coating mixture to grant the best fluidity of the piston and durability of the cylinder. Lapping performed in rooms with indoor temperatures of 20 Degree Celsius, in order to have an excellent control of the boring and of each cylinder quality.

Special Notes on the Minarelli engine and Yamaha Zuma in North America.
Yamaha Zuma USA versions after 2002 use the Horizontal engine older models use the Vertical pre-2001 in the USA. THIS IS A VERTICAL KIT.
In the USA 2002-2011 Zuma versions use the Minarelli Horizontal 2T AC Engine. 2012 and later Zuma are called the Zuma 50f (which replaced the 2-stroke version), both 4-stroke fuel-injected models. We call this the Minarelli 4T on the Racing Planet USA website. Older Yamaha Zuma models featuring the Vertical engine are listed as VERTICAL on our site. If you have questions please do not hesitate to open a support ticket.

Suitable for:

Yamaha CW50 Zuma II 1997-2001
Manufacturer Athena
Brand Athena Parts
Model 070100
Item Weight 2.75 pounds
Product Dimensions 7.68 x 6.02 x 4.13 inches
Item model number 070100
Manufacturer Part Number 070100
Vehicle Service Type Street-motor-scooters
CHRONO 50, BW S ORIGINAL EURO2, BW S SPY 50, BW S BUMP 50, BW S STUNT 50, BOOSTER CW RS NG 50 KAT, AMICO 50, YW50 ZUMA, GHIBLI 50, ASTRA 50, ASCOT 50, SR 50

Built from race proven designs to Yamaha factory specifications

Chosen by the top race teams in all forms of racing including super cross, motocross, GNCC, superbike, and more Maximizes HP and service life in Yamaha Dirt Bikes and offroad vehicles

Fits the following rides
Aprilia AMICO 50 1996-1998 Aprilia SR 50 FINO 1994 MOT. VERT. 1994 Fantic PONY SR 50 Garelli BIG WHEEL 50 Garelli PONY 50 Garelli SR 50 Italjet ASCOT 50 Italjet ASTRA 50 Italjet BA 50 BAZOOKA 1 Italjet PISTA 2 YANKEE 50 1995-1996 Italjet PISTA1 50 1995-1995 Italjet REPORTER 50 Italjet SCOOP 2/3 50 Kotir SR 50 Ktm CHRONO 50 Lem FLASH 50 Lem GHIBLI 50 Lem TORNADO SS1 50 Mbk BOOSTER CW 50 1990-1994 Mbk BOOSTER CW 50 2001-2002 Mbk BOOSTER CW L 50 2001-2003 Mbk BOOSTER CW L SPIRIT 50 2003-2003 Mbk BOOSTER CW NAKED 50 2003-2003 Mbk BOOSTER CW R ROAD 50 1994-1995 Mbk BOOSTER CW RS NG 50 1995-2003 Mbk BOOSTER CW RS NG 50 KAT 1999-2000 Mbk BOOSTER CW RS NG EURO1 50 1999-2000 Mbk BOOSTER CW RSP ROCKET 50 1997-1998 Mbk BOOSTER CW RSX TRACK 50 1996-1998 Mbk BOOSTER CW SP SPIRIT EURO2 50 2002-2002 Mbk BOOSTER CW SPIRIT 50 1996-2000 Mbk BOOSTER CW SPIRIT EURO2 50 2002-2003 Mbk CR 50 Z TARGET 1991-1995 Mbk CT 50 S - SS SORRISO 1991-1995 Mbk EW STUNT 50 2000-2002 Yamaha BW S 50 2004-2014 Yamaha BW S BUMP 50 1997-1998 Yamaha BW S NAKED 50 2003/ Yamaha BW S NEXT GENERATION 50 1997-2003 Yamaha BW S NEXT GENERATION 50 KAT 1999-2000 Yamaha BW S ORIGINAL 50 / SPY 1997-2002 Yamaha BW S ORIGINAL EURO2 50 2003-2003 Yamaha BW S R 50 2001-2001 Yamaha CR Z TARGET 50 1991-1995 Yamaha CT 50 SUPER SPORT 1990-1995 Yamaha CW 50 RS SPY 1995-1998 Yamaha CW BW S ORIGINAL EURO2 50 2002-2002 Yamaha CW L BW S 50 2003-2003 Yamaha CW SP BW S ORIGINAL EURO2 50 2002-2002 Yamaha EW SLIDER 50 2000-2002 Yamaha YW50 ZUMA 50
Item Nr.:
070100
Ready for shipment:
24 hours
manufacturer:
Athena
Weight:
1.30 kg
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