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015-0031-00 – Kawasaki Engine FX-850V-AS15R
Key Features of Bad Boy Mower 015-0031-00 – Kawasaki Engine FX-850V-AS15R
- OEM Kawasaki Engine: Genuine FX Series engine built to Bad Boy’s exact power and performance standards.
- 27.0 HP V-Twin Design: Delivers powerful torque and consistent performance for commercial mowing tasks.
- Cast-Iron Cylinder Liners: Increases engine strength and resistance to wear in heavy-duty conditions.
- Overhead Valve (OHV) Technology: Improves fuel efficiency, combustion, and smoothness of operation.
- Heavy-Duty Air Filtration: Dual-element system keeps debris out for longer engine life and cleaner operation.
- Precision Cooling System: Maintains optimal operating temperatures even during extended high-load use.
- Direct OEM Fit: Designed for seamless installation on compatible Bad Boy Mower models.
- See Models Used On below for more detail.
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SKU:
015-0031-00
$3,395.00
Usually ship in 1-3 days
Bad Boy Mower 015-0031-00 – Kawasaki Engine FX-850V-AS15R
The Bad Boy Mower 015-0031-00 – Kawasaki Engine FX-850V-AS15R is a genuine OEM Kawasaki FX Series engine designed to deliver exceptional power, efficiency, and durability for commercial-grade mowing performance. Built for select Bad Boy Mower models, this 27.0 HP V-Twin engine provides high torque output and consistent performance in demanding mowing conditions.
Featuring a cast-iron cylinder liner, heavy-duty air filtration system, and overhead valve (OHV) design, the FX-850V-AS15R ensures maximum engine life, improved fuel economy, and smoother operation. Its precision-balanced crankshaft and robust cooling system minimize vibration and heat buildup, extending operational reliability through long service hours.
This engine is engineered for seamless integration with compatible Bad Boy Mowers, offering exact mounting alignment, wiring compatibility, and throttle linkage connections. It provides excellent cold-start performance, strong midrange torque, and dependable power output to handle thick grass, slopes, and commercial workloads.
Unlike aftermarket replacements, the Bad Boy OEM Kawasaki FX-850V-AS15R Engine is built to Kawasaki’s strict manufacturing standards for professional mowing applications. Its combination of strength, smoothness, and serviceability ensures long-term performance and reliability season after season.
At BadBoyMowerParts.com, we carry a full range of OEM Kawasaki engines, filters, and hardware kits to fit your Bad Boy Mower perfectly. With free shipping on orders over $100, maintaining your mower’s power and performance with genuine OEM components has never been easier.
Models Used On
(Click Link For Diagram)
2026
- Rebel & Rebel X - Engine - Kawasaki FX850
- Rebel & Rebel X - Engine Parts
- Revolt (48"-61" Decks) - Engine - Kawasaki FX850
- Revolt (48"-61" Decks) - Engine Parts
2025
- Rebel & Rebel X - Engine - Kawasaki FX850
- Rebel & Rebel X - Engine Parts
- Revolt (48"-61" Decks) - Engine - Kawasaki FX850
- Revolt (48"-61" Decks) - Engine Parts
2024
- Rebel & Rebel X - Engine - Kawasaki FX850
- Rebel & Rebel X - Engine Parts
- Revolt (48"-61" Decks) - Engine - Kawasaki FX850
- Revolt (48"-61" Decks) - Engine Parts
2023
- Rebel - Engine - Kawasaki FX850
- Rebel - Engine Parts
- Revolt - Engine Parts
- Rogue - Engine - Kawasaki FX850
- Rogue - Engine Parts
2022
- Rebel - Engine - Kawasaki FX850
- Rebel - Engine Parts
- Revolt - Engine - Kawasaki FX850V
- Revolt - Engine Parts
- Rogue - Engine - Kawasaki FX850
- Rogue - Engine Parts
2021
- Rebel - Engine - Kawasaki FX850
- Rebel - Engine Parts
- Revolt - Engine - Kawasaki FX850V
- Revolt - Engine Parts
- Rogue - Engine - Kawasaki FX850
- Rogue - Engine Parts
2020
- Rebel - Engine - Kawasaki FX850
- Rebel - Engine Parts
- Revolt - Engine - Kawasaki FX850V
- Revolt - Engine Parts
- Rogue - Engine - Kawasaki FX850
- Rogue - Engine Parts
2019
- Rebel - Engine Parts
- Rebel - Engine - Kawasaki FX850
- Rogue - Engine Parts
- Rogue - Engine - Kawasaki FX850
2018
- Outlaw & Outlaw Extreme - Engine Parts
- Outlaw & Outlaw Extreme - Engine - Kawasaki FX850
- Outlaw XP - Engine Parts
- Outlaw XP - Engine - Kawasaki FX850
2017
- Outlaw & Outlaw Extreme - Engine Parts
- Outlaw & Outlaw Extreme - Engine - Kawasaki FX850
- Outlaw XP - Engine Parts
- Outlaw XP - Engine - Kawasaki FX850
2016
- Outlaw & Outlaw Extreme - Engine Parts
- Outlaw & Outlaw Extreme - Engine - Kawasaki FX850
- Outlaw XP - Engine Parts
- Outlaw XP - Engine - Kawasaki FX850
2015
- Outlaw & Outlaw Extreme - Engine Parts
- Outlaw & Outlaw Extreme - Engine - Kawasaki FX850
- Outlaw XP - Engine Parts
- Outlaw XP - Engine - Kawasaki FX850
2014
- Outlaw & Outlaw Extreme - Engine Parts
- Outlaw & Outlaw Extreme - Engine - Kawasaki FX850
- Outlaw XP - Engine Parts
- Outlaw XP - Engine - Kawasaki FX850
2013
- Outlaw & Outlaw Extreme - Engine Parts
- Outlaw & Outlaw Extreme - Engine - Kawasaki FX850
- Outlaw XP - Engine Parts
- Outlaw XP - Engine - Kawasaki FX850
2012
- Outlaw & Outlaw Extreme - Engine Parts
- Outlaw & Outlaw Extreme - Engine - Kawasaki FX850
- Outlaw XP - Engine Parts
- Outlaw XP - Engine - Kawasaki FX850
2011
- Outlaw & Outlaw Extreme - Engine Parts
- Outlaw & Outlaw Extreme - Engine - Kawasaki 31HP
- Pup and Lightning - Engine Parts
- Pup and Lightning - Engine - Kawasaki 31HP
2010
- Outlaw & Outlaw Extreme - Engine Parts
- Outlaw & Outlaw Extreme - Engine - Kawasaki 31HP
- Pup and Lightning - Engine Parts
- Pup and Lightning - Hydraulic Pump
2008
- Pup and Lightning - Accessories
- Pup and Lightning - Hydraulic Pump & Clutch