HobbyStar boat motors are engineered to provide maximum power and cooling for your RC watercraft. Open endbells radiate heat away from the motor, and cooling jackets are available separately for all motors.  Motor leads come with pre-installed 4.0mm gold-plated bullet plugs for easy, no-soldering connection and a wide variety of KV's ensure a dialed setup for your application. 

Features:

• 4-pole motor with 12-slot high-torque design
• CNC Machined 6061 T6 Billet Aluminum Can
• High-purity copper windings maximize efficiency
• High-RPM ABEC5 oversized bearings
• Precision balanced rotor for smooth operation and maximum RPM
• Super-thin (0.2mm) stator laminations 

HobbyStar V2 motors and ESC's now include built-in temperature monitoring and thermal protection to protect your valuable electronics.  When paired with a compatible HobbyStar ESC, the user can set up the system to either reduce or completely cut off power if either the motor, or ESC temperature exceeds the programmed limit. Motors can be run without temperature port connected when paired with ESC's that do not offer temperature monitoring. 

3674 4-pole motor provides tremendous torque and comes with pre-installed 4.0mm bullet connectors. 

Features:

• 4-pole motor with 12-slot high-torque design
• High-purity copper windings maximize efficiency
• High-RPM ABEC5 oversized bearings
• Precision balanced rotor for smooth operation and maximum RPM
• Super-thin (0.35mm) stator laminations 

HobbyStar brushless outrunner motors are built using high-quality components and precision balanced to ensure a smooth, reliable and powerful motor for your aircraft. Motor shafts can be reversed on all motors, and a hardware kit with mounting plate, prop adapter and hardware kit are included with all motors. 

Features:

• 14-pole, 12-slot high-torque design
• CNC machined 6061 T6 billet aluminum housing
• High-purity copper windings for maximum efficiency
• High RPM ABEC 5 oversized bearings
• Precision balanced rotor 
• Super-thin stator laminations (0.2mm)
• Flexible silicone leads with pre-installed gold-plated connectors

The HobbyStar 540 4-pole brushless, sensored crawler motor is an ultra-smooth powerplant for upgrading your crawler to brushless power.  A beautifully machined T6 billet-aluminum housing contains a 4-pole, 12-slot high-torque rotor spinning on High-RPM ABEC5 oversized bearings for a powerful, reliable motor choice for your 1/10 scale vehicle. 

NOTE: Max LiPo cells listed are a guideline for what voltage can be safely run on this motor, but it is still critical to monitor temps and adjust gearing accordingly to keep motor temps under 170F.  Any motor can overheat to the point of failure even when running less than the maximum rated voltage if it is over-geared.  Must adhere to ESC voltage/KV limits as well.

Features:

• Engineered for smooth operation
• 4-pole 12-slot high-torque design
• CNC machined 6061 T6 billet aluminum can
• High-purity copper windings maximize efficiency
• High-RPM ABEC5 oversized bearings
• Precision balanced rotor for smooth operation and maximum RPM
• Super-thin (0.2mm) stator laminations 
• Removable/replaceable rotor

HobbyStar boat motors are engineered to provide maximum power and cooling for your RC watercraft. Open endbells radiate heat away from the motor, and cooling jackets are available separately for all motors.  Motor leads come with pre-installed 4.0mm gold-plated bullet plugs for easy, no-soldering connection and a wide variety of KV's ensure a dialed setup for your application. 

Features:

• 4-pole motor with 12-slot high-torque design
• CNC Machined 6061 T6 Billet Aluminum Can
• High-purity copper windings maximize efficiency
• High-RPM ABEC5 oversized bearings
• Precision balanced rotor for smooth operation and maximum RPM
• Super-thin (0.2mm) stator laminations 

HobbyStar V2 motors and ESC's now include built-in temperature monitoring and thermal protection to protect your valuable electronics.  When paired with a compatible HobbyStar ESC, the user can set up the system to either reduce or completely cut off power if either the motor, or ESC temperature exceeds the programmed limit. Motors can be run without temperature port connected when paired with ESC's that do not offer temperature monitoring. 

3670 4-pole motor provides tremendous torque and comes with pre-installed 4.0mm bullet connectors. 

Features:

• 4-pole motor with 12-slot high-torque design
• High-purity copper windings maximize efficiency
• High-RPM ABEC5 oversized bearings
• Precision balanced rotor for smooth operation and maximum RPM
• Super-thin (0.35mm) stator laminations 

HobbyStar V2 motors and ESC's now include built-in temperature monitoring and thermal protection to protect your valuable electronics.  When paired with a compatible HobbyStar ESC, the user can set up the system to either reduce or completely cut off power if either the motor, or ESC temperature exceeds the programmed limit. Motors can be run without temperature port connected when paired with ESC's that do not offer temperature monitoring. 

3665 4-pole motor provides tremendous torque and comes with pre-installed 4.0mm bullet connectors. 

Features:

• 4-pole motor with 12-slot high-torque design
• High-purity copper windings maximize efficiency
• High-RPM ABEC5 oversized bearings
• Precision balanced rotor for smooth operation and maximum RPM
• Super-thin (0.35mm) stator laminations 

HobbyStar 3674 4-pole brushless motor features a 74mm length can which provides incredible torque, and versatile waterproof design allows use in a variety of applications. motor leads come with pre-installed 4.0mm gold-plated bullet plugs for easy, no-soldering connection.

Features:

• 4-pole motor with 12-slot high-torque design
• High-purity copper windings maximize efficiency
• High-RPM ABEC5 oversized bearings
• Precision balanced rotor for smooth operation and maximum RPM
• Super-thin (0.35mm) stator laminations 

HobbyStar V2 motors and ESC's now include built-in temperature monitoring and thermal protection to protect your valuable electronics.  When paired with a compatible HobbyStar ESC, the user can set up the system to either reduce or completely cut off power if either the motor, or ESC temperature exceeds the programmed limit. Motors can be run without temperature port connected when paired with ESC's that do not offer temperature monitoring. 

3660 4-pole motor provides gobs of torque and comes with pre-installed 4.0mm bullet connectors. 

Features:

• 4-pole motor with 12-slot high-torque design
• High-purity copper windings maximize efficiency
• High-RPM ABEC5 oversized bearings
• Precision balanced rotor for smooth operation and maximum RPM
• Super-thin (0.35mm) stator laminations 

HobbyStar brushless outrunner motors are built using high-quality components and precision balanced to ensure a smooth, reliable and powerful motor for your aircraft. Motor shafts can be reversed on all motors, and a hardware kit with mounting plate, prop adapter and hardware kit are included with all motors.

Features:

• 14-pole, 12-slot high-torque design
• CNC machined 6061 T6 billet aluminum housing
• High-purity copper windings for maximum efficiency
• High RPM ABEC 5 oversized bearings
• Precision balanced rotor 
• Super-thin stator laminations (0.2mm)
• Flexible silicone leads with pre-installed gold-plated connectors

The HobbyStar 550 4-pole brushless, sensorless motor is based on the same design as our powerhouse 540 sensorless motor, but combines a longer 550 sized and a 5mm shaft for a bulletproof design. The perfect motor when a high-torque, high-performance powerplant is required such as 4x4 short-course trucks.  A beautifully machined T6 billet-aluminum housing contains a 4-pole, 12-slot high-torque rotor spinning on High-RPM ABEC5 oversized bearings for a powerful, reliable motor choice for your 1/10 scale vehicle.  Comes with motor leads with 4.0mm bullet connectors already installed. Available in a wide variety of KV ratings.

Features:

• 4-pole 12-slot high-torque design
• CNC machined 6061 T6 billet aluminum can
• High-purity copper windings maximize efficiency
• High-RPM ABEC5 oversized bearings
• Precision balanced rotor for smooth operation and maximum RPM
• Super-thin (0.2mm) stator laminations 
• Removable/replaceable rotor
• Precision Engineered for maximum energy conversion

The HobbyStar 540 4-pole brushless, sensorless motor is perfect where a high-torque, high-performance powerplant is required.  A beautifully machined T6 billet-aluminum housing contains a 4-pole, 12-slot high-torque rotor spinning on High-RPM ABEC5 oversized bearings for a powerful, reliable motor choice for your 1/10 scale vehicle.  Comes with motor leads with 4.0mm bullet connectors already installed. Available in a wide variety of KV ratings.

Features:

• 4-pole 12-slot high-torque design
• CNC machined 6061 T6 billet aluminum can
• High-purity copper windings maximize efficiency
• High-RPM ABEC5 oversized bearings
• Precision balanced rotor for smooth operation and maximum RPM
• Super-thin (0.2mm) stator laminations 
• Removable/replaceable rotor
• Precision Engineered for maximum energy conversion

Designed with 1/10 scale competition in mind, the HobbyStar 540 brushless, sensored motor packs all the same features as our 540 Competition 1/10 motor but without adjustable can timing for those racers who do not need it. All the other features remain, like precision high RPM ABEC5 bearings and precision engineering for maximum energy conversion to give you the edge you need to win.  Available in a wide variety of turns in both SPEC and MOD versions, all housed in a beautifully machined T6 billet aluminum housing for the ultimate in strength and heat dissipation.  

Features:

• High RPM precision bearings
• CNC machined billet T6 aluminum heatsink can
• High-purity copper windings maximize conductivity
• High-power solder tabs
• Powerful sintered neodymium magnets
• Precision engineered for maximum energy conversion
• Available in both SPEC and MOD versions

HobbyStar boat motors are engineered to provide maximum power and cooling for your RC watercraft. Open endbells radiate heat away from the motor, and cooling jackets are available separately for all motors.  Motor leads come with pre-installed 4.0mm gold-plated bullet plugs for easy, no-soldering connection and a wide variety of KV's ensure a dialed setup for your application. 

Features:

• 4-pole motor with 12-slot high-torque design
• CNC Machined 6061 T6 Billet Aluminum Can
• High-purity copper windings maximize efficiency
• High-RPM ABEC5 oversized bearings
• Precision balanced rotor for smooth operation and maximum RPM
• Super-thin (0.2mm) stator laminations 

HobbyStar 3670 4-pole brushless motor provides tremendous torque and sustained high-RPM power. 70mm can with recessed fins is also a great fit in boat and EDF applications. Versatile waterproof design allows you to drive in extreme conditions and motor leads come with pre-installed 4.0mm gold-plated bullet plugs for easy, no-soldering connection.

Features:

• 4-pole motor with 12-slot high-torque design
• High-purity copper windings maximize efficiency
• High-RPM ABEC5 oversized bearings
• Precision balanced rotor for smooth operation and maximum RPM
• Super-thin (0.2mm) stator laminations 

Voltage recommendations in the table below are guidelines for the voltage you can safely run.  It is still critical that the user monitor motor temps and adjust gearing if necessary, any motor can overheat to the point of destruction if over-geared even when running at or below the rated voltage.