Johnson Outdoors MINN KOTA MKA-21 User Manual

MKA-21/RTA-17
QUICK RELEASE BRACKET
1854021 & 1854017
Item /
Assembly
Part # Description Qty.
2
2371965 PLATE-INNER PD/AP QCK REL. 1
2371966 PLATE-INNER PD/AP QRB BLK. 1
4
2371967 PLATE-OUTER PD/AP QCK REL. 1
2371968 PLATE-OUTER PD/AP QRB BLK.
6 2990906 HANDLE ASSY PD/AP QRB. 1
A
Includes 8-20
2994848 BAG ASSY PD/AP QRB 1
8 2372631 PIN-PADLOCK PD/AP QCK REL. 1
10 2260800 CLIP-HAIR SPRING,SS,MAX BG 1
12 2373480 SCREW-1/4-20 X 1 1/2 PFH SS 6
14 2371712 WASHER-FLAT 9/32 X 5/8 X 1/16 6
16 2373482 SCREW-1/4-20 X 3” PFH SS 4
18 2261713 WASHER-1/4 FLAT 18-8 SS 4
20 2073100 NUT-HEX 1/4-20 NYLOC-JAM SS 10
▲
2374917 INSTRUCTIONS PD/AP QRB 1
The MKA-21 is recommended for use with Minn Kota
®
Ulterra™, Terrova
®
, PowerDrive™, PowerDrive V2, and Pontoon PowerDrive™
freshwater trolling motors and the Deckhand 40. The RTA-17 is recommended for use with Minn Kota
®
RT Ulterra™, RT Terrova
®
, RT
PowerDrive™ and RT PowerDrive V2 saltwater trolling motors. Do not use with motors equipped with a shaft 72” or greater. Do not use with
112lb thrust motors.
NOTICE: Do not use with motors equipped with a shaft
72” or greater. Do not use with 112lb thrust motors.
NOTICE: It is recommended to have a second person
help with this installation.
✖ Not shown on Parts Diagram.
▲ This part is included in an assembly and cannot be ordered individually.
22
44
1212
1616
1414
1818
2020
AA
66
1010
88
TOOLS AND RESOURCES REQUIRED
• Drill
• Drill bit 17/64”
• #2 or #3 Philips Screwdriver
• Awl, pencil or similar marking tool
• Scissors
• A second person to help with
the installation
NOTICE: Images are a graphical representation and
may vary from your motor. Save the box! A template for
installation is printed on the inside of the box.
Complete Typical Complete Typical
InstallationInstallation
1 | minnkotamotors.com
©2021 Johnson Outdoors Marine Electronics, Inc.

Johnson Outdoors MINN KOTA MKA-21 Specifications

General

Brand	Johnson Outdoors
Model	MINN KOTA MKA-21
Category	TV Mount
Language	English

Summary

Tools and Resources Required

Mounting Considerations

Motor Mounting Location Variations

Details the mounting location differences for various Minn Kota motor models.

Installation: Positioning the Bracket

Bracket Assembly and Orientation

Assemble bracket components and determine orientation for bow mounting.

Installing the Outer Plate to a PowerDrive or Terrova

Removing Sideplates

Remove sideplates to access mounting holes on the base extrusion.

Securing the Outer Plate

Fasten the outer plate to the base extrusion using screws, washers, and nuts.

Installing the Outer Plate to a DeckHand 40

Mounting Outer Plate to DeckHand 40

Attach the outer plate to the DeckHand 40 using specific holes and hardware.

Installing the Outer Plate to a Pontoon Hand Control Bracket

Mounting Outer Plate to Pontoon Bracket

Attach the outer plate to the Pontoon Hand Control Bracket using specific holes.

Installing the Outer Plate to an Ulterra

Preparing Ulterra for Outer Plate Attachment

Remove sideplates and extension damper to access mounting holes.

Fastening Outer Plate to Ulterra Base

Secure the outer plate using Ulterra's specific hardware and screws.

Reassembling Ulterra Motor

Reinstall the extension damper, sideplates, and screws to complete assembly.

Installing the Inner Plate to the Bow

Positioning and Marking for Inner Plate

Position outer plate, check clearances, and mark bow for inner plate placement.

Drilling and Mounting Inner Plate

Use template to drill holes and mount inner plate to the boat bow.

Completing the Installation

Mounting Motor and Securing Handle

Mount the motor onto the inner plate and secure the handle assembly.