Cylinder Kit 40.00mm Std 01-06 Polaris 50 Scrambler Sportsman Predator

Description

Complete 40.00 mm top-end cylinder kit for Polaris 50 cc two-stroke youth ATVs, supplied with cylinder, piston, rings, gaskets and cylinder head. Designed for the 50 cc Scrambler, Sportsman and Predator models that use a 40 mm bore, 10 mm wrist pin and 50 mm stud spacing; not suitable for 90 cc engines, which require a 52 mm bore kit.

Features

  • Complete kit: cylinder, piston, piston rings, gaskets and cylinder head
  • For 50 cc two-stroke Polaris youth engines
  • 40.00 mm bore cylinder
  • 10 mm wrist pin compatibility
  • 50 mm cylinder stud spacing

Specifications

  • Engine type: single-cylinder, two-stroke, air-cooled
  • Bore × stroke: 40.00 mm × ~39.1 mm (≈49 cc)
  • Wrist pin diameter: 10 mm
  • Cylinder stud spacing: 50 mm (centre-to-centre)
  • Spark plug type: NGK BPR7HS

Cross-Reference OEM Part Numbers

  • Cylinder: 0451718 (50 cc applications)
  • Cylinder head: 0451717 (50 cc applications)
  • Base gasket: 0450008 (50 cc applications)
  • Head gasket: 0450003 (50 cc applications)
  • Piston (Predator 50): 0453833 (50 cc applications)
  • Spark plug: 0450005 (BPR7HS)
  • Stud, cylinder/head: 0450010; nuts: 0450011, 0450012
  • Cylinder: 0450007 (90 cc/52 mm applications – not for this 40 mm kit)
  • Gaskets: 0455372 (base), 0455373 (head) (90 cc/52 mm applications – not for this 40 mm kit)
  • Piston kits: 0450802, 0450704, 0450651 (90 cc applications – not for this 40 mm kit)

Vehicle Fitments

  • Polaris Scrambler 50 (2001–2003)
  • Polaris Sportsman 50 (2001–2003)
  • Polaris Predator 50 (2004–2006)

Note: Polaris 90 cc models (Scrambler 90, Sportsman 90, Predator 90) require a 52 mm bore cylinder kit and are not compatible with this 40 mm kit

Cylinder Kit 40.00mm Std 01-06 Polaris 50 Scrambler Sportsman Predator

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Complete 40.00 mm top-end cylinder kit for Polaris 50 cc two-stroke youth ATVs, supplied with cylinder, piston, rings, gaskets and... Read more

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    SKU: 56-K239.40.CK
    Barcode: 0120000052660

    • Free shipping on all orders above £75
    • No hassle returns within 30 days

    Description

    Complete 40.00 mm top-end cylinder kit for Polaris 50 cc two-stroke youth ATVs, supplied with cylinder, piston, rings, gaskets and cylinder head. Designed for the 50 cc Scrambler, Sportsman and Predator models that use a 40 mm bore, 10 mm wrist pin and 50 mm stud spacing; not suitable for 90 cc engines, which require a 52 mm bore kit.

    Features

    • Complete kit: cylinder, piston, piston rings, gaskets and cylinder head
    • For 50 cc two-stroke Polaris youth engines
    • 40.00 mm bore cylinder
    • 10 mm wrist pin compatibility
    • 50 mm cylinder stud spacing

    Specifications

    • Engine type: single-cylinder, two-stroke, air-cooled
    • Bore × stroke: 40.00 mm × ~39.1 mm (≈49 cc)
    • Wrist pin diameter: 10 mm
    • Cylinder stud spacing: 50 mm (centre-to-centre)
    • Spark plug type: NGK BPR7HS

    Cross-Reference OEM Part Numbers

    • Cylinder: 0451718 (50 cc applications)
    • Cylinder head: 0451717 (50 cc applications)
    • Base gasket: 0450008 (50 cc applications)
    • Head gasket: 0450003 (50 cc applications)
    • Piston (Predator 50): 0453833 (50 cc applications)
    • Spark plug: 0450005 (BPR7HS)
    • Stud, cylinder/head: 0450010; nuts: 0450011, 0450012
    • Cylinder: 0450007 (90 cc/52 mm applications – not for this 40 mm kit)
    • Gaskets: 0455372 (base), 0455373 (head) (90 cc/52 mm applications – not for this 40 mm kit)
    • Piston kits: 0450802, 0450704, 0450651 (90 cc applications – not for this 40 mm kit)

    Vehicle Fitments

    • Polaris Scrambler 50 (2001–2003)
    • Polaris Sportsman 50 (2001–2003)
    • Polaris Predator 50 (2004–2006)

    Note: Polaris 90 cc models (Scrambler 90, Sportsman 90, Predator 90) require a 52 mm bore cylinder kit and are not compatible with this 40 mm kit

    Shipping & Delivery

    How long will my item take to arrive?

    Orders are typically dispatched within 1 working day and are shipped on a 24hour (non-guaranteed) service.

    Where do you ship to?

    We currently only ship orders within the UK.

    How can I track my order?

    Once your order has been dispatched, you will receive a tracking code. Tracking information is emailed to the email address that was provided when placing the order.

    Can I collect my order?

    Unfortunately we do not offer order collections from our fulfilment centre.

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