Is Malossi Cylinder Kit "MHR Racing" 70cc aluminium Yamaha BW's / Slider compatible with my scooter?

Please check by brand (Malossi), model (M317559), and engine type. Not sure? Contact us — we’ll verify compatibility.

What is the price of Malossi Cylinder Kit "MHR Racing" 70cc aluminium Yamaha BW's / Slider?

The current price is 312.00€. All prices are up to date as of 02 2026.

Is Malossi Cylinder Kit "MHR Racing" 70cc aluminium Yamaha BW's / Slider an original Malossi part?

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

How fast do you deliver Malossi Cylinder Kit "MHR Racing" 70cc aluminium Yamaha BW's / Slider?

Ships within 24h from LV stock. From EU stock it takes 4–9 days to Latvia, then 1–2 days in the Baltics.

Which payment options are available for Malossi Cylinder Kit "MHR Racing" 70cc aluminium Yamaha BW's / Slider?

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

What is the SKU or article number of Malossi Cylinder Kit "MHR Racing" 70cc aluminium Yamaha BW's / Slider?

Product SKU: M317559. It is also shown in description and specs.

What is the current discount for Malossi Cylinder Kit "MHR Racing" 70cc aluminium Yamaha BW's / Slider?

Malossi Cylinder Kit "MHR Racing" 70cc aluminium Yamaha BW's / Slider is now available with a special discount in 02 2026. Price: 312.00€.

How long is the discount for Malossi Cylinder Kit "MHR Racing" 70cc aluminium Yamaha BW's / Slider valid?

The discount is valid for a limited time in 02 2026, until the promotion ends or stock runs out.

Is the Malossi Cylinder Kit "MHR Racing" 70cc aluminium Yamaha BW's / Slider discount automatically applied in the cart?

Yes, the promo price 312.00€ is visible immediately and applied automatically at checkout.

Discount 50.00€ Reward Points: 34

M317559

Malossi

Malossi Cylinder Kit "MHR Racing" 70cc aluminium Yamaha BW's / Slider

Delivery from German Warehouse - Pirmdien

Available to order

312.00€ 362.00€

Price in reward points: 3420

Malossi 70cc Aluminium Cylinder Kit "MHR Racing" MBK Booster / Stunt, high-end 70cc racing kit by Malossi.

The kit includes:

Aluminium Cylinder with 6 transfer ports and bridged exhaust port
Single-Ring Piston, d = 47mm, 10mm pin
High-Compression Cylinder Head
Gasket Kit (paper base gasket, head / exhaust / reed valve gasket
Carbon Fiber Reed Petals (2x) MHR

The "MHR Racing" is one of the most powerful cylinders for MBK Booster / Stunt (Minarelli vertical). Set up with the right components (reinforced crankshaft, 19-21mm carburetor and racing exhaust), it can reach 10/11hp, power band goes up to 14,000 - 15,000rpm.

With 70cc displacement, it is of course not street-legal and reserved for the race track or closed-off roads.

Technical details

Article no.: M317559
Bore: 47 mm
Brand: Malossi
Conrod Length: Standard
Cylinder material: Aluminium
Displacement: 70cc
Homologation: No

Piston Pin: 10 mm
Product type: Cylinder kit
Series: MHR
Spark plug thread: M14 short
Stroke: Original
Tuning Level: Racing
Weight: 1,23 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

Loyalty program

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