MINN KOTA Ultrex 112 Trolling Motor Instruction Manual

June 12, 2024
MINN KOTA

MINN KOTA Ultrex 112 Trolling Motor

Product Information

Ultrex Motor

The Ultrex Motor is a powerful motor with 80/112 lbs thrust, available in 24/36 volt options and comes with a shaft length of 45/52/60 inches.

Motor Parts List

Item Part # Description Quantity
2 2777095 WASHER-PROP (LARGE) 1
4 2777243 NUT-PROP,NYLOC,LG,MX101 3/8 SS 1

Steering Module Parts List

Item Part # Description Quantity
202 J
204 206 C

Product Usage Instructions

Ultrex Motor Assembly

  1. Refer to the Motor Parts Diagram for reference.
  2. Start by assembling the parts in the following order: Q, R, S, T, U, V, W, X, Y, Z, AA, BB, CC, DD, EE, FF, GG, JJ, KK, LL.
  3. Use the corresponding part numbers mentioned in the Motor Parts List while assembling.
  4. Ensure that each part is securely attached.

Steering Module Assembly

  1. Refer to the Steering Module Parts Diagram for reference.
  2. Start by assembling the parts in the following order: J, C.
  3. Use the corresponding part numbers mentioned in the Steering Module Parts List while assembling.
  4. Ensure that each part is securely attached.

Ultrex 80/112 LBS THRUST – 24/36 VOLT – 45”/52”/60” SHAFT
The parts diagram and parts list provides Minn Kota® WEEE compliance disassembly instructions. For more information about where you should dispose of your waste equipment for recycling and recovery and/or your European Union member state requirements, please contact your dealer or distributor from which your product was purchased. Tools required, but not limited to: flat head screwdriver, Phillips screwdriver, socket set, pliers, wire cutters.

Assembly Instructions

Motor Parts Diagram

MINN-KOTA-Ultrex-112-Trolling-Motor-01MINN-
KOTA-Ultrex-112-Trolling-Motor-02

Motor Parts List

Assembly Part # Description Quantity
Q 2777095 CTR HSG ASY, CB 80#, FW 60″ TUBE 1
R 2777243 CTR HSG ASY, CB 112#, FW, 60″ TUBE 1
S 2777005 80#/45″ 24V MOTOR US2 MOTOR & TUBE 1
T 2777003 80#/52″ 24V MOTOR US2 MOTOR & TUBE 1
U 2777017 MTR/TUBE ASSY 80# 60″ UTX/US2 MOTOR & TUBE 1
V 2777089 MTR/TUBE ASSY 112# 45″ UTX/US2 MOTOR & TUBE 1
W 2777080 MTR/TUBE ASY 112# 52″ TRRV/US2 MOTOR & TUBE 1
X 2777088 MTR/TUBE ASY 112# 60″ UTX/US2 MOTOR & TUBE 1
Y 2889460 80# THRUST SEAL KIT 1
Z 2881450 112# THRUST SEAL KIT 1
AA 1378132 80# THRUST PROP KIT 1
BB 1378160 112# THRUST PROP KIT 1
CC 9421-287 PLN END HSG/TRANSDUCER ASY 4.0 45″ 1
DD 9421-290 PLN END HSG/TRANSDUCER ASY 4.0 52″/60″ 1
EE 9421-244 PLN END HSG/TRANSDUCER ASY 4.5 45″ 1
FF 9421-246 PLN END HSG/TRANSDUCER ASY 4.5 52″/60″ 1
GG 2774062 t MOTOR KIT IPLT 1.6 TRV, ULTREX I-PILOT RECEIVER 1
JJ 2774064 t MOTOR KIT, IPLT 3.0 TRV, ULTREX I-PILOT LINK RECEIVER 1
KK 2770204 t COVER KIT, IPLT 1.6 TRV, ULTREX I-PILOT COVER & DECALS ONLY

1
LL| 2770211 t| COVER KIT, IPLT 3.0 TRV, ULTREX I-PILOT LINK COVER & DECALS ONLY| 1
Item| Part #| Description| Quantity
2| 2091701| WASHER-PROP (LARGE)| 1
4| 2093101| NUT-PROP,NYLOC,LG,MX101 3/8 SS| 1
6| 2262658| PIN-DRIVE 1″ X 3/16″ S/S| 1
8| 2331160| PROP-WW2 (4″) W/ADP.RING| 1
10| 2341160| PROP-WW2(4.5)W/ADP.RING| 1
12| 2218200| FUSE HOLDER ASSEMBLY| 1
14| 2065400| WIRE INSULATOR-LGE 1-3/4, BLUE| 2
16| 2292500| CONTROL BOX, ULTREX, T2| 1
18| 2372100| SCREW-#8-18 X 5/8 THD* SS| 22
20| 2093400| SCREW-#10-24 x 1-7/8 PPH SS| 1
22| 2224700| INSERT-PLUG| 1
24| 2260905| KNOB-SOFT GRIP,HG/DR,ZNC| 1
26| 2291500| DEPTH COLLAR 1.3 X 3.0| 1
28| 2321702| WASHER-FLAT, .3.75 NYLON| 1
30| 2333101| NUT-HEX #10-24 UNC-2B NYL SS| 1
Item| Part #| Description| Quantity
---|---|---|---
32| 880-025| SEAL| 2
34| 725-095| PAPER TUBE, SEAL| 1
36| 92-300-170| BRUSH END HSG, 80#| 1
38| 144-017| BEARING, FLANGE| 1
40| 830-095| THRU BOLT 12-24| 2
42| 990-052| WASHER, NYLATRON| 1
44| 990-051| WASHER-STEEL THRUST| 1
46| 973-025| SPACER, BRUSHPLATE| 2
48| 9-738-015| BRUSH PLATE ASSY, 4″| 1
50| 975-041| SPRING-TORSION| 2

52

| 186-094| BRUSH 4″| 2
188-095| BRUSH, 4.5”| 2
54| 830-027| SCREW-BRUSH PLATE 10-32| 2
56| 701-009| O-RING, THRU BOLTS| 2
58| 701-043| O-RING, END HOUSINGS| 2
60| 2-100-214| ARMATURE ASSY| 1
62| 140-010| BEARING – BALL| 1
64| 990-045| SPACER, THRUST| 1
66| 992-010| WASHER, SPRING BELLEVILLE| 2
68| ✖| PLN END HSG-PNTD-4″ US2.5 CB| 1
70| 230-038| CABLE CLAMP, STEEL| 1
72| 2302104| SCREW-#6 X 3/8| 1
74| 830-094| THRU BOLT 12-24| 2
76| 2307312| BEAD-FERRITE| 1
78| 9-738-011| BRUSH PLATE ASSY, 4.5″| 1
80| 2053410| SCREW-BRUSH PLATE, 10-32| 2
82| 975-045| SPRING-TORSION| 2
84| ✖| CTR HSG ASY 4.0″ FW MGNTZ| 1

86

| ✖| TUBE-COMP, BLK, 45″, W 1/4″ WALL 80#| 1
✖| TUBE-CMP, BLK 60″ 1/4″ WALL 80#| 1

88

| ✖| TUBE-COMP, BLK, 45″, W 1/4″ WALL 112#| 1
✖| TUBE-CMP, BLK 60″ 1/4″ WALL 112#| 1
92| 701-103| O-RING, 103 MM X 3 MM| 1
94| 701-098| O-RING, 98MM X 2MM| 1
96| ✖| CTR HSG ASY 4.5″ MAG FW CB TER| 1
98| 2-100-245| ARMATURE ASSY| 1
100| 140-014| BEARING – BALL| 1
Item| Part #| Description| Quantity
---|---|---|---
102| 992-011| WASHER, SPRING BELLEVILLE| 2
104| 990-011| WASHER, SHIM| 1
106| ✖| PLN END HSG 4.5″ US2.5 PNT FW| 1
108| 582-013| CLIP, RETAINING SHORT| 1

110

| 640-117| MOTOR WIRE, RED, 80#, 45″| 1
640-132| MOTOR WIRE, RED, 80#, 52″| 1
640-138| MOTOR WIRE, RED, 80#, 60″| 1
640-140| MOTOR WIRE, RED, 112#, 45″| 1
640-142| MOTOR WIRE, RED, 112#, 52″| 1
640-139| MOTOR WIRE, RED, 112#, 60″| 1

112

| 640-013| MOTOR WIRE, BLACK, 80#, 45″| 1
640-017| MOTOR WIRE, BLACK, 80#, 52″| 1
640-038| MOTOR WIRE, BLACK, 80#, 60″| 1
640-040| MOTOR WIRE, BLACK, 112#, 45″| 1
640-042| MOTOR WIRE, BLACK, 112#, 52″| 1
640-039| MOTOR WIRE, BLACK, 112#, 60″| 1

114

| 640-315| BONDING WIRE, BROWN, US2.0, 45″| 1
640-316| BONDING WIRE, BROWN, US2.0, 60″| 1
116| 2994075 t| REMOTE ASSY, IPILOT 1.6| 1
118| 2994076 t| REMOTE ASSY, IPILOT LINK LINK ONLY| 1
120| 2390800| LANYARD, REMOTE W/ CARABEENER| 1
122| 2375901 t| ADAPTER, USB DC POWER LINK ONLY| 1
124| 2373241 t| CABLE, USB REMOTE CHARGER LINK ONLY| 1
126| 490389-1 t| CABLE, ETHERNET, 30′ LINK ONLY| 1
128| 92-300-155| BRUSH END HSG, 112#| 1
130| 2375400| SHRINK TUBE-1/4 OD X 1-3/4| 2
132| 788-040| RETAINING RING| 1
| ✖| DECAL, DOMED IPILOT FW| 1
134| ✖| DECAL, DOMED IPILOT LINK FW| 1
136| ✖| DECAL – GENERIC, PUSH BTN TOP FW| 1
138| ✖| CVR, CTRL BX IP, UTX| 1
140| 2996400| HEADING SENSOR ASSEMBLY| 1
142| 2211415| CABLE-EXTENSION, PD/AP 110″| 1

Ultrex steering module

Steering Module Parts Diagram
MINN-KOTA-Ultrex-112-Trolling-Motor-03MINN-
KOTA-Ultrex-112-Trolling-Motor-09

Steering Module Parts List

Assembly Part # Description Quantity
J 2991896 STEERING MODULE ASSEMBLY FW
C 2991925 BRACKET STABLZR ARM ASY 1
Item Part # Description Quantity
176 SEAL 1
178 HOUSING, UPPER, PAINTED 1
180 BUSHING-1012-08 2
182 SCREW-M4 X 8MM, FHP, SS 4
184 GEAR-MOTOR 1
186 PLATE, MOTOR 1
188 BUSHING, DAMPENING 4
190 NUT-PUSH, 1/4″ ZP 4
192 RETAINING RING, 1 3/4″ SHAFT 2
194 GEAR-CLUSTER, 35-48T 1
196 MOTOR-DRIVE 1
198 PIN-SPRING, 1/4 X 3/4, ZP 4
200 TUBE-STEER, MACHINED 1
202 BEARING 2
204 HOUSING, LOWER, PAINTED 1
206 SCREW-5/16-18 X 1″ SHCS ZP 5
208 BUSHING-1216-12 1
210 GEAR, CABLE 1
212 CABLE CLAMP, 3/16″, NYLON 2
214 BEAD-FERRITE 1
216 WIRE HARNESS, MOTOR,SHORT 1
218 SCREW-#6-20 X 3/8 THD*(SS) 2
220 SEAL, QUAD RING, 3/4″ 1
222 2265100 BUMPER STABILIZER 1
224 2263624 STABILIZER ROD 1
226 2263107 NYLON HEX NUT 3/4 – 10 UNC 1
228 2281829 BRACKET 1
230 2260221 VINYL CAP 1
232 2223100 NUT 5/16-18 NYLOCS SS 2
234 2263422 BOLT 5/16-18 X 1″ SS 2
236 2281700 5/16 “ID X .457 OD HIGH COLLAR LOCK WASHER 2

Ultrex foot Pedal

MINN-KOTA-Ultrex-112-Trolling-Motor-05MINN-
KOTA-Ultrex-112-Trolling-Motor-06 Foot Pedal Parts List

Assembly Part # Description Quantity
K 2992155 36V FOOT PEDAL ASSEMBLY 1
L 2992150 24V FOOT PEDAL ASSEMBLY 1
M 2771200 FT PED CABLE, WIRE HARNESS, ASM 1
N 2774061 CONTROL BOARD KIT, 36V ULTREX 1
P 2774060 CONTROL BOARD KIT, 24V ULTREX 1
Item Part # Description Quantity
250 2993705 PUSH BTTN/MAGNET ASSY 1
252 2302732 SPRING-LOWER PEDAL S/S 1
254 2260810 CLIP, REED SENSOR 1
256 2263000 E-RING TRU-ARC#5133-43 1
258 2994450 FOOT PEDAL W/MAGNET 1
260 CONTROL BOARD,SENSOR BOARD 1
262 ACTUATOR-SENSOR, DIA. .375 MAX 2
264 CARRIER, ACTUATOR 1
266 BACKER, CARRIER 1
268 2292300 PULLEY, CABLE DRUM 1
270 SCREW-1/4-20 X 1/2 SET, 316 SS 1
272 2293720 BUTTON-SL, FOOT PEDAL 1
274 2293730 BUTTON-AP, FOOT PEDAL 1
276 2293710 BUTTON-PROP, FOOT PEDAL 1
278 2292700 SPRING, BUTTON, FOOT PEDAL 4
280 2295625 DECAL, INDICATOR LIGHTS 1
282 2373440 SCREW-#4-24 X 1/4 PHCR SS TY B 4
284 2260511 PIN-PIVOT A/T FT PDL 1
286 2044022 SWITCH-POWER, ON/OFF 1
288 2992150 FOOT PEDAL W/BASE ASM, 24V 1
290 2266413 TENSION SCREW PLATE FTPEDAL 1
292 2262301 PULLEY (FOOT PEDAL) 1
294 2993715 ARM-SENSOR, PROP W/MAGNET 1
296 2266401 COVER-PULLEY (STAMPING) 1
298 2291920 PLATE-BOTTOM 1

300

| 2294061| CONTROL BRD, 36V, ULTREX| 1
2294060| CONTROL BRD, 24V, ULTREX| 1
302| 2265126| BUMPER PAD, FOOT PEDAL| 4
304| 2378600| RIVET-POP,3/16 X 3/4 ALUM.SHNK| 4
Item| Part #| Description| Quantity
---|---|---|---
306| 2223455| SCREW-#10-32 X 1/2″ ZP MACHINE| 2
308| 2993735| ARM-SENSOR, AP W/MAGNET| 1
310| 2993725| ARM-SENSOR, SL W/MAGNET| 1
312| 2994500| BASE W/PIN, FOOT PEDAL| 1
314| 2365107| INSULATING PAD(2.3 X 3.2)| 1
316| 2263210| BRACKET-CONDUIT ADJUSTMEN| 1
318| 2263140| KEEPER-NYLOCK| 1
320| 2263466| SCREW-1/4-20 X 2″ PPH SS/REI| 1
322| 2265115| BOOT-FOOT PEDAL BASE| 1
324| 2296410| COVER, COIL CORD| 1
326| 2291910| BRACKET, CABLE ANCHOR| 1
328| 2373450| SCREW-#8-18 X 3/8″ THRD.CUT SS| 2
330| 2323406| SCREW-#10-24 X .50 CRPH SS| 2
332| 2296400| COVER, WRAP DRUM| 1
334| 2296405| COVER, MOTOR CONNECTION| 1
336| 2291200| COIL CORD ASSEMBLY| 1
338| 2290100| KNOB-SPEED CONTROL| 1
340| ✖| LOWER-ROCKER, FOOT PEDAL| 1
342| 2267505| CABLE ASSY-RIGHT (5′)| 1
344| 2267515| CABLE ASSY-LEFT (5′)| 1
346| 2297411| WIRE HARNESS, MOTOR, LONG| 1
348| 2265430| CABLE JACKET (5′) AT MODEL| 1
350| 3393450| SCREW-#6-19 X .75 PPH HI-LO| 2
352| 2372100| SCREW-#8-18 X 5/8 THD (SS| 18
354| 2261714| WASHER-MAXXUM FT PDL 18/8 SS| 2
356| 2332103| SCREW-#6-20 X 3/8 THD
(SS)| 4
 &| 2052510| CABLE CLAMP, 3/16″, NYLON| 2
 &| 2301310| SCREW-#8-18 X 1/2 (SS)| 2
 &| 2298800| LOOM-WIRE, 1/4 X 4″| 1
358| 2256300| TIE WRAP-5.5″ BLACK| 4
360| 2290605| LEAD WIRE, FOOT PEDAL| 1
362| 3391722| WASHER, FLAT 7/16| 1

Ultrex mount

MINN-KOTA-Ultrex-112-Trolling-Motor-07MINN-
KOTA-Ultrex-112-Trolling-Motor-08

Mount Parts List

Assembly Part # Description Quantity
E 2991733 MOUNT ASM ULTREX FW 112# 45″ 1
F 2991734 MOUNT ASM ULTREX FW 80# 45″ 1
G 2991735 MOUNT ASM ULTREX FW 80# 52/60″ 1
H 2991736 MOUNT ASM ULTREX FW 112# 52/60″ 1
D 2994912 BAG ASSY, FORTREX MOUNT HDW 1
A 2994887 INSTALLATION HARDWARE BAG ASSEMBLY 1
Item Part # Description Quantity
400 2261505 SPACER, MOTOR REST 2
402 2280405 PULL GRIP, SOFT, BOTTOM 1
404 2291400 CABLE, PULL HANDLE, SS 1
406 2281516 SPACER, INNER ARM 1
408 2880800 PULL CABLE CLAMP & SCREW KIT 1
410 2281702 WASHER-LOCK, 1/4″ EXTERNAL SS 1
412 2151700 WASHER-EYE SHAFT(.562 OD) SS 1
414 2280800 LINK,BOWGUARD MOUNT,LEFT 1
416 2293402 SCREW-5/16-18, SHCS, RIE, STEEL 1
418 2291700 WASHER-5/16, M8 WEDGE LOCK 1
420 2992333 ROPE GUIDE ASSEMBLY 1
422 2042711 SPRING-TORSION, SS 112# 45″ 1
424 2283620 LATCH, SAFETY 1
426 2282611 PIN-SPRING, 3/32″ 1
428 2281704 WASHER -7/16 NYLON 1
430 2282600 PIN 7/16″ X 4.80″ SS 1
432 2287303 BUSHING, UPPER PIN 2
434 2223418 SCREW-1/4-20X 1/2 SS BHCS 1
436 2280805 LINK, BOWGUARD MOUNT, RIGHT 1
438 2282608 PIN 7/16″ X 5.15″ SS 1

440

| 2993821| ASSY,INNER ARM,LONG,FW 80/112# 52/60″| 1
2993819| ASSY,INNER ARM,SHORT,FW 80/112# 45″| 1
442| 2283410| SCREW-1/4-20 X .500″ PFH| 2
444| 2281710| SPACER, GAS SPRING, FORTREX| 2
446| 2282610| PIN, UPPER SHOCK| 1

448

| 2288403| GAS SPRING (CYLINDER)| 1
2288404| GAS SPRING (CYLINDER) 80# 45″ 52/60″| 1
2288405| GAS SPRING (CYLINDER) 112# 45″| 1
450| 2282604| PIN-KNURLED 5/16″X2 1/4″SS| 1
Item| Part #| Description| Quantity
---|---|---|---

452

| 2283615| LATCH BAR| 1
2283616| LATCH BAR, STAINLESS STEEL 112 # 60″ ONLY| 1
454| 2373450| SCREW-#8-18 X 3/8″ THRD.CUT SS| 2
456| 2261732| WASHER-#8, NYLON| 3
458| 2283610| BRACKET-LATCH/STRAP,ROPE PULL| 1

460

| 2283601| LATCH STRAP, LONG MNT SS 80/112# 52/60″| 2
2283600| LATCH STRAP, SHORT MNT SS 80/112# 45″| 2

462

| 2993915| SIDEPLATE ASSY,LONG,LEFT,FW 80/112# 52/60″| 1
2993910| SIDEPLATE ASSY,SHORT,LEFT,FW 80/112# 45″| 1
464| 2286700| PLUG-SPACER,BASE EXTRUSION| 2
466| 2073408| SCREW-1/4-20 X 7/8 PPH S/S| 2
468| 2283900| RAMP-MOTOR FW| 1
470| 2280400| PULL GRIP,SOFT, TOP| 1

472

| 2281903| BASE EXTRUSION-SHORT, MACH. 80/ 112# 45″| 1
2281913| BASE EXTRUSION-LONG, MACH. 80/112# 52/60″| 1

474

| 2993925| SIDEPLATE ASSY, LONG, RIGHT, FW 80/112# 52/60″| 1
2993920| SIDEPLATE ASSY, SHORT, RIGHT, FW80/112#045″| 1
476| 2295510| DECAL, SIDEPLATE, ULTREX| 2
478| 2323405| SCREW-1/4-20 X 1/2″ MCH SS| 6
480| 2281922| BRACKET, LATCH| 1
482| 2288610| RIVET,SHLDR 5/16″X.159″SS| 2
484| 2280006| BEARING,NYLINER 5/16″ (5L1-FF)| 2
486| 2287300| BUSHING-REAR PIVOT| 2
488| 2282602| PIN 3/8″ X 3 3/4″ SS| 2
490| 2281932| BRACKET-REAR PIVOT FW| 2
492| 2280008| BEARING-I GLIDE 3/8 SHAFT| 2
494| 2263011| E-RING 3/8 DIA. SHAFT| 4
496| 2281501| YOKE, FORTREX| 1
498| 2283411| SCREW-1/4-20X1.00 FHS RIE TORX| 4
500| 2283402| SCREW-SET 6/32 X .25″ SS| 2
502| 2280005| BEARING,NYLINER 7/16″ (7L7-F)| 4
504| 2282606| PIN-PIVOT, 7/16″ X 3 1/8″ SS| 1
506| 2282720| SPRING-EXTENSION SS| 2

508

| 2284202| ARM-OUTER,SHORT,FW 80/112# 45″| 1
2284212| ARM-OUTER,LONG,FW 80/112# 52/60″| 1
510| 2263011| E-RING 3/8 DIA. SHAFT| 2
512| 2263468| 1/4 – 20 X 2.5″ SS PPH SCREW| 6
514| 2263103| 1/4 – 20 SS NYLOCK NUT| 6
516| 2261713| 1/4 FLAT 18-8 SS WASHER| 6

  • This part is included in an assembly and cannot be ordered individually.
  • Not shown on Parts Diagram.
  • May only be available with i-Pilot or i-Pilot Link.

©2016 Johnson Outdoors Marine Electronics, Inc.
minnkotamotors.com

References

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