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Top Performances
Article no.: T9926560

Tuning Kit Top Performances 86cc cylinder + crankshaft stroke=44mm Yamaha Aerox

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Description

Top Perfamces has responded to popular demand and assembled a tuning kit, finally available for scooters: the Top Performances 86cc Tuning Kit (cylinder + 44mm stroke crankshaft) MBK Nitro / Aerox (Minarelli horizontal LC). With an excellent reputation regarding 50cc bikes/mecaboites already established, Top Performances came up with this 86cc Aluminium Tuning Kit for scooters with horizontal Minarelli LC engines (MBK Nitro, Yamaha Aerox, etc.).

The cylinder is made of Nikasil-plated aluminium with a 50mm diameter and 44mm stroke, has 6 transfer ports, a bridged exhaust port and a modular high compression cylinder head. The exhaust port is very "large" across its entire width giving it a unique look. Special attention was also given to the cylinder's external surface with a cooling canal enclosing the entire exhaust port for optimum cooling.

The crankshaft included in this Top Performances 86cc Tuning Kit MBK Nitro / Aerox is a reinforced full-circle racing crankshaft with "extended" stroke - 44mm, 85mm conrod, small end bearing 12x15x15mm. One of the unique features characterizing high-end crankshafts is the use of Tungsten weights instead of standard "caps" for balancing.

Regarding performance, the Top Performances 86cc Tuning Kit MBK Nitro / Aerox is a Hyper Racing kit and develops 20/22hp in combination with the proper components:
- min. 28mm carburetor
- digital inner rotor ignition
- “Hyper Racing” exhaust.

This Top Performances Tuning Kit 86cc (cylinder kit + 44mm stroke crankshaft) MBK Nitro / Aerox includes two crankshaft bearings (C3 Polyamide cages) and oil seals.

Note: the crankcase has to be milled to make room for the 44mm crankshaft, and also for the cylinder base (d=56mm).

Questions about the product
 
 
Notes and Safety

Tuning Level: High End racing

We categorize our products into different performance levels  Original, Sport, Racing and High End , so that our customers can choose the right parts for their setup. It is really important to combine parts that belong to the same tuning level, this is especially true for cylinders, crankshafts and exhausts.

High End Racing products are exclusively designed for racing and should only be handled by tuning pros with the appropriate technical know-how. High-end racing parts often require modifications or machining of certain elements to accommodate the often larger components (larger crank webs, larger intake, etc.). Whether you stick with 50cc or increase the displacement, high-end racing parts offer much higher performance than the original parts and are the most powerful tuning parts.

Note: To ensure the reliability of the engine, it is important that the parts are compatible and that you do regular maintenance on your two-wheeler.

    Aluminium cylinders

    Aluminium cylinders are more powerful than cast iron cylinders, but require more regular maintenance and must be combined with different components such as a reinforced crankshaft and a larger carburetor.

    How to run in an aluminium cylinder?

    Aluminium cylinders should be run in for about 200 kilometers , and you should use a fully synthetic engine oil.

    Note: To ensure optimum performance and reliability, it is advisable to measure the squish clearance. Just have a look at our tutorial How to adjust squish clearance.

    Technical details
    Tuning Kit Top Performances 86cc cylinder + crankshaft stroke=44mm Yamaha Aerox
    Article no.T9926560
    Weight3,84 kg
    BrandTop Performances
    Product typeEngine pack
    Tuning levelHigh-end
    Displacement86cc
    HomologationNo
    Piston pin12 mm
    Cylinder materialAluminium
    Bore50 mm
    Stroke44 mm
    Conrod length85 mm

    Spare Parts

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    Customer reviews
    4,78
    9 Ratings
    7
     
    2
     
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    Submit review
    RF
    Ryan F.
    Riding style:
    Let her rip!
    Usage:
    A few days a week
    Experience:
    Practicing for a while
    Age:
    14-25
    Product quality:
    Value for money:
    Problème
    Salut l’équipe , j’ai le 86 avec ,mvt dd ,pack overange mhr, carbu 28 , ressort de pousser rouge mhr , et les petit ressort d’embrayage bleu et je prend que 110 avec vous savez pas où il es le problème ?
    Ju
    Justine
    tré ben
    marche tré fort pour son prix
    mi
    michael
    top perf 86
    tres bon pack avec une acceleration impressionnante et une tres bonne pointe avec une bonne config bien entendus!
    br
    bryan
    super kit !
    Sa se leve tout seul et derniere pointe sans le pousser a la limite 117km/h vitesse reel. En plus de marcher fort il est solide ! j'ai une petite config car je roule souvent avec mais avec une vrai config c'est une bete.
    sp
    spitro top alu
    tres bon kit !!
    même si il tourne pas tout les jours , un coup de kick suffit a démarrer . niveau puissance je suis pas du tout déçu ! super kit !!
    Ya
    Yael
    86 top alu
    très puissant ce pack, rivalise le 86 mhr big bore
      Write a review
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