Momentum Watts 9,000W Razor Upgrade Kit
For MX500 • SX500 • MX650 • RSF650
Pre-Wired. Pre-Tuned. Ready to Destroy Stock Performance.
Unlock REAL power with the Momentum Watts 9,000W Upgrade Kit — the all-in-one, drop-in system engineered to turn your Razor into a street-eating, torque-happy monster. No wiring headaches, no guesswork, no tuning needed. This kit arrives fully pre-wired, pre-tuned, and ready to install, complete with the correct chain and sprocket to put every watt to the ground.
If you want the strongest, cleanest, most reliable 72V Razor conversion on the market… this is it. Built with premium components, dialed in-house, and designed to handle abuse.
WHAT’S INCLUDED
🔋 Momentum Worx (By Amorge) 72V / 20Ah / 130A Battery
High-discharge, high-quality battery built for serious acceleration and top-tier reliability. Delivers massive punch off the line and stays cool under load. Includes battery lead for controller side and 5 AMP charger.
⚡ FD-Style 200A/450A Controller
Smooth. Powerful. Tuned by Momentum Watts for peak performance, throttle response, and safe delivery of 9,000 watts of real power.
🌀 Sotion FW11 Motor
A proven workhorse with outstanding torque, efficiency, and durability. Pairs with our tuning to make Razor frames feel possessed.
🔑 Pre-Wired Ignition + Key + Voltmeter
Turn-key system (literally). Clean install, clean wiring, and an integrated voltage display.
🏍️ Pre-Wired Sur-Ron Style Throttle
Ultra-smooth response with a superior agronomics.
⛓️ 58T Rear Sprocket + Chain
Optimized for Razor builds — puts the power down and keeps things quiet, strong, and reliable.
WHY THIS KIT WINS
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Zero wiring needed — everything is plugged, pinned, loomed, and labeled.
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Zero tuning needed — controller is pre-mapped
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Maximum compatibility — fits MX500, SX500, MX650, and RSF650.
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Maximum fun — instant torque, massive acceleration, night-and-day difference from stock.
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Backed by Momentum Watts expertise — tested, abused, and perfected.
PERFECT FOR RIDERS WHO WANT:
✔ A TRUE 72V beast
✔ Bolt-on simplicity
✔ Reliable high power
✔ Momentum Watts performance with none of the guesswork
If you're ready to turn your Razor into a whole different machine… the 9,000W Momentum Watts Upgrade Kit is the only answer.
NOT ELGIBLE FOR ANY FURTHER PROMOTIONAL DISCOUNTS.
NOTE: Requires removal of upper battery tray on MX500/MX650 models. Upgraded brakes are HIGH recommended.
