RMSTATOR
Kokusan Flywheel Assorted Aprilia Models (Refer to Fitments) (RMS120-103587)
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DESCRIPTION
Introducing the newest Heavy Duty Flywheel Rotor for Aprilia Motorcycles.
Anyone who rides or repairs Aprilia Motorcycles is probably familiar with the flywheel problems common to these models. Most of these machines will have at least one flywheel failure in their lifetime so far. Low quality epoxy was used on OEM flywheels to secure the magnets to the rotor body. Over time and many heat cycles, the epoxy fails, allowing the magnets to come loose and contact the stator, potentially causing catastrophic damage.
For years, service shops & dealerships have offered low-cost repairs for Aprilia flywheels to save the $400+ OEM replacement. This sounds like a great idea at first, but there are some serious issues!
The common repair is using JB Weld© Marine Blue Epoxy to reattach the loose original magnets, or to install new ones. Epoxy fixes do repair flywheels in the short term if they are done correctly. However, this kind of repair can easily cause immediate problems and impact the long-term reliability of the motorcycle.
A Heavy Duty Flywheel to the rescue!
New RMSTATOR heavy-duty flywheel rotor for Aprilia Motorcycles is a well-priced solution to problems with the OEM flywheel, and an excellent alternative to all the mechanical troubles you can encounter with a repair.
Features:
-
Built to OEM size
Fits precisely in the ride: install it and forget it. -
Improved epoxy
Uses high-temperature epoxy that is stronger than OEM, eliminating the possibility of magnet detachment. -
High-grade steel capping
Prevents harsh additives in motor oil from degrading the epoxy attaching the magnets. Though extremely unlikely, if a magnet did ever come loose, it would remain in the sleeve, preventing contact with the stator. -
Precise balancing
Eliminates crankshaft vibrations for longer engine longevity. -
Shop with confidence
Two-year warranty. All products are tested.
Why cheap repairs won't work?
Quick, stronger epoxy fixes do repair flywheels in the short term. It might, however, impair long-term performance and reliability of the ride.
Remaining OEM magnets:
Original magnets remaining can still come loose at any time.
Magnet alignment:
The alignment of magnets around the flywheel is critical for proper stator operation. Even very fine misalignment will reduce stator efficiency significantly.
Magnet spacing:
Excessive epoxy or incorrect magnet spacing around the flywheel can easily affect the flywheel balance. This can cause stator contact or even crankshaft damage.
Incorrect replacement magnets:
The magnetic field strength of new magnets must match the originals. Stator failure can occur quickly with stronger magnets, and stator output can be decreased significantly using weaker magnets.
Wrong epoxy properties:
Epoxy that is not rated to permanently handle high temperatures and oil immersion can quickly cause a serious failure.
Oil contamination:
Wrong epoxy for the application can also contaminate the crankcase oil, damaging the motor.
All these reasons make us strongly recommend that you replace the broken flywheel with a new $400+ OEM one or the new heavy-duty flywheel.
Before attempting to start the Aprilia, adjusting the air gap is necessary. Rotate the flywheel so the raised node is lined up with the pick-up/pulser coil and adjust as close as possible but no less than 0.010".
Warning:
Risk of electric shock. Disconnect the battery before servicing.
Ensure proper installation by a qualified technician to avoid malfunction.
Dimensions:
- Exterior diameter: 121 mm.
- Exterior diameter #2: 119 mm.
- Interior diameter: 107 mm.
- Interior diameter centre housing: 19.2 mm.
- Exterior diameter centre housing: 34 mm.
- Thickness (exterior): 34.8 mm.
- Thickness (interior): 30 mm.
SHIPPING
SHIPPING
Shipping & Delivery
Here’s what to expect when ordering motorcycle parts, accessories and riding gear from Motozone.
Where your order ships from
Orders may be dispatched from Auckland, Hamilton, Kihikihi, New Plymouth or Christchurch, depending on where your items are available.
Where possible, we’ll ship from the closest location with stock available.
Your order may arrive in more than one parcel if items are dispatched from different warehouses. These parcels may arrive on different days.
New Zealand shipping
Orders over $199 qualify for FREE standard shipping throughout New Zealand, including rural addresses.
For orders of $199 or less:
~ Urban delivery: $9.99
~ Rural delivery: $15.99
Priority Dispatch: $25.99
Keen to get your order out the door sooner? Jump the processing queue with Priority Dispatch.
For $25.99, we’ll prioritise processing your order ahead of standard orders to get it ready for dispatch sooner.
Priority Dispatch is about how quickly we process your order. It is not an express courier service and does not guarantee overnight delivery or a particular arrival date. Once dispatched, normal courier delivery times apply.
Dispatch remains subject to stock availability and the operating hours of the warehouse supplying your items.
Free standard shipping on orders over $199 does not include the optional Priority Dispatch fee.
New Zealand delivery times
Delivery is often overnight after dispatch, but please allow 2–3 working days, depending on the dispatch location and destination.
For rural addresses, please allow a couple of extra working days.
The time and day you place your order, along with stock availability, can affect when it’s dispatched. Delivery estimates are from dispatch, rather than the time you place your order.
Want your order delivered to work? No problem. Enter your workplace name and full delivery address at checkout.
Australia shipping
Orders over $199 qualify for FREE standard shipping to Australia.
For orders of $199 or less:
~ Delivery: $25.99
Please allow approximately 5–10 working days after dispatch for delivery.
All prices and shipping thresholds shown on this page are in New Zealand dollars (NZD).
Need your order by a certain date?
If you’re ordering for a ride, event or trip, contact us before placing your order. We can check stock availability and expected dispatch timing to help you plan.
Delivery times are estimates and may be affected by weekends, public holidays and courier delays.
Missing an item or waiting on a parcel?
If part of your order arrives first, the remaining items may be travelling separately from another warehouse.
If you’re unsure, or your delivery is taking longer than expected, email contact@motozone.co.nz with your order number and we’ll help track it down.
RETURNS
RETURNS
Returns & Exchanges
Wrong size or changed your mind? No worries at all, we’re happy to help arrange an exchange or return.
Eligible goods purchased from Motozone can be returned within 30 days of receipt for a refund or exchange.
Return conditions
For change-of-mind returns and size exchanges, goods must be:
~ New, unused and unaltered
~ Not previously installed
~ In a sellable condition with all original packaging, tags and included accessories
~ Returned with the manufacturer’s original packaging intact, not torn, ripped or otherwise damaged
Please try riding gear on indoors and open packaging carefully. Keep everything until you’re happy with the fit.
Special-order items that turn out to be an incorrect fit are excluded from our change-of-mind returns policy. Unsure about fitment? Contact us before ordering so we can help.
How to get started
Email contact@motozone.co.nz with:
~ Your order or invoice number
~ The item(s) you’d like to return
~ The reason for returning them
~ Whether you’d prefer an exchange or refund
~ The replacement size or style you’d like, if exchanging
We’ll email you the correct form and instructions for sending your items back to Motozone Kihikihi.
Option 1: Exchange
Send your item(s) back with the completed Exchange Form, letting us know the size or style you’d like instead.
Once we receive them and check they meet the return conditions, we’ll send out your replacement freight free you just cover the cost of getting the original item(s) back to us.
Exchanges are subject to availability. If there’s a price difference, we’ll arrange this with you before sending your replacement.
Option 2: Return for a refund
Send your item(s) back with the completed Returns Form.
Once they arrive and we’ve checked they meet the return conditions, we’ll process your refund. Please allow additional time for your payment provider to make the funds available.
For change-of-mind returns, original freight charges are non-refundable, and you cover the cost of return shipping.
Want it faster?
If you’re keen to get your replacement sooner, place a new order on our website, then send the original item(s) back with the completed Returns Form.
Once your return arrives and meets the return conditions, we’ll refund the returned item(s) from your original order. Your new order is separate and normal shipping charges apply.
Sending your parcel
Pack your items securely inside a separate outer bag or box to protect the goods and the manufacturer’s original packaging.
Please don’t attach courier labels or tape directly to the manufacturer’s packaging, including boot boxes and helmet boxes. For change-of-mind returns and size exchanges, this packaging must arrive intact, without tears, rips or other damage.
Include your completed Exchange Form or Returns Form inside the parcel so we can identify your return and process it promptly.
We recommend using tracked shipping and keeping your tracking details.
You can book your return shipping here:
Book a parcel with NZ Post
Faulty, damaged or incorrect items
If your item arrives damaged, develops a fault or isn’t what you ordered, please contact us with your order number and details of the problem. Include photos where helpful.
We’ll work with you to arrange the appropriate next steps, including any applicable return shipping arrangements.
The change-of-mind conditions above: including the 30-day limit, unused condition, original packaging requirements and freight exclusions: do not limit your rights under the Consumer Guarantees Act 1993.
Need a hand? Email contact@motozone.co.nz and we’ll help you get it sorted.