Is Top Performances Cylinder Kit "Black Trophy" 70cc cast iron Yamaha BW's / Slider an original Top Performances part?

Yes, we sell OEM and performance parts. The type of this product is listed in the description.

Which payment options are available for Top Performances Cylinder Kit "Black Trophy" 70cc cast iron Yamaha BW's / Slider?

We accept bank cards, online banking, and invoice payments.

What is the SKU or article number of Top Performances Cylinder Kit "Black Trophy" 70cc cast iron Yamaha BW's / Slider?

Product SKU: T9931370. It is also shown in description and specs.

What is the current discount for Top Performances Cylinder Kit "Black Trophy" 70cc cast iron Yamaha BW's / Slider?

Top Performances Cylinder Kit "Black Trophy" 70cc cast iron Yamaha BW's / Slider is now available with a special discount in 02 2026. Price: 129.20€.

Is the Top Performances Cylinder Kit "Black Trophy" 70cc cast iron Yamaha BW's / Slider discount automatically applied in the cart?

Yes, the promo price 129.20€ is visible immediately and applied automatically at checkout.

Discount 58.80€ Reward Points: 14

T9931370

Top Performances

Top Performances Cylinder Kit "Black Trophy" 70cc cast iron Yamaha BW's / Slider

Delivery from German Warehouse - Pirmdien

Available to order

129.20€ 188.00€

Price in reward points: 1418

Cylinder Kit Top Performances Black Trophy 70cc, Minarelli vertical AC, worthy successor of the Trophy by Top Performances.

The kit Includes:

- 70cc Cast Iron Cylinder , d=47mm, 5 transfer ports + simple outlet
- 2-ring piston, 10mm piston pin
- High Compression cylinder head, aluminium
- Gasket kit

The Black Trophy cylinderis a sports / entry level tuning cylinder and ideal for everyday use. Compared to the Trophy, it has only been slightly modified, only the piston has been given a special coating. The cylinder is extremely durable and reliable. The performance it really impressive; acceleration is noticeably improved and top speed is slightly increased, too. It can achieve 7 to 8 HP with the right setup.

An excellent choice if you are looking for the perfect compromise between performance and durability / reliability!

- Not street-legal.
- Squish clearance is preset by the manufacturer, a base gasket is supplied.
- Run in: 300km (150km with ½ throttle and 150km with ¾ throttle).
- If you want to keep the oil pump, we recommend using Stage6 oil with optimal flow characteristics to avoid clogging the pump.

Min. Configuration	Max. Configuration
Exhaust BR9HS spark plug Reinforced small end bearings Carburetor 17,5 mm Sport CVT V-belt min. 16 mm	Exhaust Reinforced small end bearing BR9HS spark plug Woodruff key, offset Carburetor 19mm Reed valve Air filter insert Sport CVT Reinforced V-belt Sport Clutch Secondary gearing 14-43

Technical details

Article no.: T9931370
Bore: 47 mm
Brand: Top Performances
Conrod Length: Standard
Cylinder material: Cast Iron
Displacement: 70cc
EAN: 4051272331510
Homologation: No

Piston Pin: 10 mm
Product type: Cylinder kit
Series: Trophy
Spark plug thread: M14 short
Stroke: Original
Tuning Level: Sport
Weight: 1,74 kg

Vehicle

Adly (Her Chee): Rapido 50cc;
Aprilia: Amico 50cc AC (1991 - 1992);Amico 50cc AC (after 1993);Amico GL 50cc AC;Amico Sport 50cc AC;SR 50cc AC (before 1994) - Minarelli vertical;
Italjet: Bazooka;Pista 2 50cc AC;Pista 50cc AC;Scoop 50cc;Yankee 50cc;

MBK: Booster 1992 - 1999;Booster after 2004;Booster before 2004;Booster Next Generation after 1999;Booster Next Generation before 1999;Booster One;Booster Track;Rocket;Stunt 50cc AC;Stunt 50cc AC CAT (after 2004);Stunt Naked 50cc AC;
None: None
Yamaha: BW's 50cc AC;BW's 50cc AC (after 2004);BW's Bump 50cc AC;BW's Easy 50cc 2013;BW's NG 50cc AC (after 1999);BW's NG 50cc AC (before 1999);Slider 50cc AC (before 2004);Slider 50cc AC CAT (after 2004);Spy 50cc AC;Target 50cc;Zuma 50cc AC;Zuma II 50cc AC;

Individual approach to each order

Return and exchange of goods within 14 days

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