- Home »
- Catalog
Muff's Motorsports LLC » 2025
Products for:
- Year: 2025
View Universal items for: 2025
Browse Products
Cylinder Head
Description: Cylinder head is in poor condition. Cam journals are worn. Combustion chamber has damage and a broken valve. Comes as pictured. Was removed from a 2017 Sea-Doo RXT X 300. Brand: Sea-Doo MPN:...More Details »
Item #: BC-4678-29
Condition:
New
Limited Supply: Only 1 Left!
Price: $399.99
Electric Control Unit ECU & Key
Description: Unit is in good working condition. Finish has light wear. Comes as pictured. Was removed from a 2017 Sea-Doo RXT X 300. Brand: Sea-Doo MPN: 420864374, 278003400 Condition: Used
Item #: BC-4678-1
Condition:
Used
Limited Supply: Only 1 Left!
Price: $999.99
Fuel Injectors & Rail
Description: Fuel injector is good for parts. Has light wear from use. One Bad Seal. Nozzle Has Small Dent. Comes as pictured. Was removed from a 2017 Sea-Doo RXT X 300. Brand: Sea-Doo MPN: 420874393,...More Details »
Item #: BC-4678-22
Condition:
Used
Limited Supply: Only 1 Left!
Price: $279.99
Starter Solenoid
Description: Solenoid is in good working condition. Posts have light wear. Comes as pictured. Was removed from a 2017 Sea-Doo RXT X 300. Brand: Sea-Doo MPN: 278003012 Condition: Used
Item #: BC-4678-8
Condition:
Used
Limited Supply: Only 1 Left!
Price: $14.95
Throttle Body
Description: Throttle body is in good condition. Could use quick cleaning. Finish has light wear from use. Comes as pictured. Was removed from a 2017 Sea-Doo RXT X 300. Brand: Sea-Doo MPN: 420892592...More Details »
Item #: BC-4678-16
Condition:
Used
Limited Supply: Only 1 Left!
Price: $159.90
Throttle Sensor Left
Description: Sensor is in good condition. Has light wear. Comes as pictured. Was removed from a 2017 Sea-Doo RXT X 300. Brand: Sea-Doo MPN: 278002284 Condition: Used
Item #: BC-4678-9
Condition:
Used
Limited Supply: Only 1 Left!
Price: $34.99
Airbox Intake Air Box
Description: Airbox is in good condition with no cracks. Finish has light wear. Comes as pictured. Was removed from a 2017 Sea-Doo RXT-X 300. Brand: Sea-Doo MPN: 273000342, 273000373, 273000322 Condition:...More Details »
Item #: 13-4695-102
Condition:
Used
Limited Supply: Only 1 Left!
Price: $94.99
Cam Chain Tensioner & Guides
Description: Tensioner and guides are in good working condition. Finish has light wear. Comes as pictured. Was removed from a 2017 Sea-Doo RXT-X 300. Brand: Sea-Doo MPN: 420236915, 420236541, 420236501...More Details »
Item #: 13-4695-32
Condition:
Used
Limited Supply: Only 1 Left!
Price: $59.99
Cylinder Head For Parts
Description: Cylinder head is in poor condition. Valves and springs are included are very rusty, would reccomend replacing. Cam journals are smooth. Combustion chamber has carbon build up. Comes as pictured....More Details »
Item #: 13-4695-44
Condition:
Used
Limited Supply: Only 1 Left!
Price: $399.99
Fuel Injectors & Rail
Description: Injectors and rail are in good working condition. Finish has light wear from use. Comes as pictured. Was removed from a 2017 Sea-Doo RXT-X 300. Brand: Sea-Doo MPN: 420874393, 420874000...More Details »
Item #: 13-4695-18
Condition:
Used
Limited Supply: Only 1 Left!
Price: $279.99
Intercooler
Description: Intercooler is straight and in good condition. Fins have light wear. Comes as pictured. Was removed from a 2017 Sea-Doo RXT-X 300. Brand: Sea-Doo MPN: 276000335 Condition: Used
Item #: 13-4695-41
Condition:
Used
Limited Supply: Only 1 Left!
Price: $249.99
Left Side Throttle Sensor
Description: Sensor is in good condition. Has light wear. Comes as pictured. Was removed from a 2017 Sea-Doo RXT-X 300. Brand: Sea-Doo MPN: 278002284 Condition: Used
Item #: 13-4695-9
Condition:
Used
Limited Supply: Only 1 Left!
Price: $34.99
Right Side Throttle Sensor
Description: Sensor is in good condition. Has light wear. Comes as pictured. Was removed from a 2017 Sea-Doo RXT-X 300. Brand: Sea-Doo MPN: 278002283 Condition: Used
Item #: 13-4695-7
Condition:
Used
Limited Supply: Only 1 Left!
Price: $34.99
Starter Solenoid
Description: Solenoid is in good working condition. Posts have light wear. Comes as pictured. Was removed from a 2017 Sea-Doo RXT-X 300. Brand: Sea-Doo MPN: 278003012 Condition: Used
Item #: 13-4695-8
Condition:
Used
Limited Supply: Only 1 Left!
Price: $14.95
Exhaust Manifold Flange
Description: Exhaust manifold is in good condition, finish has light wear. Comes as pictured. Was removed from a 2017 Sea-Doo Spark 903 3 Up IBR with 56 hours. Brand: Sea-Doo MPN: 420673510 Condition: Used More Details »
Item #: 31-3234-47
Condition:
Used
Limited Supply: Only 1 Left!
Price: $49.90
Radiator Coolant Hoses
Description: Hoses are in good condition with no leaks. Finish has light wear. Comes as pictured. Was removed from a 2017 Sea-Doo Spark 903 3 Up IBR with 56 hours. Brand: Sea-Doo MPN: 509000372, 276000291,...More Details »
Item #: 31-3234-66
Condition:
Used
Limited Supply: Only 1 Left!
Price: $29.99
Stator
Description: Stator is in good working condition. Has only light wear. Comes as pictured. Was removed from a 2017 Sea-Doo Spark 903 3 Up IBR with 56 hours. Brand: Sea-Doo MPN: 420296908 Condition: Used
Item #: 31-3234-36
Condition:
Used
Limited Supply: Only 1 Left!
Price: $38.99
Throttle Body
Description: Throttle body is in good condition. Could use quick cleaning. Finish has light wear from use. Comes as pictured. Was removed from a 2017 Sea-Doo Spark 903 3 Up IBR with 56 hours. Brand: Sea-Doo...More Details »
Item #: 31-3234-26
Condition:
Used
Limited Supply: Only 1 Left!
Price: $249.99
Airbox Intake Air Box
Description: Airbox is in good condition with no cracks. Finish has light wear. Comes as pictured. Was removed from a running 2017 Sea-Doo Spark Trixx 900 HO ACE and 134 hours. Brand: Sea-Doo MPN:...More Details »
Item #: RC-4673-55
Condition:
Used
Limited Supply: Only 1 Left!
Price: $49.99
Airbox Intake Manifold
Description: Airbox is in good condition with no cracks. Finish has light wear. Comes as pictured. Was removed from a running 2017 Sea-Doo Spark Trixx 900 HO ACE and 134 hours. Brand: Sea-Doo MPN:...More Details »
Item #: RC-4673-33
Condition:
Used
Limited Supply: Only 1 Left!
Price: $49.97
Camshaft Housing Tower
Description: Housing tower is in good condition. Lobes and journals are smooth. Comes as pictured. Was removed from a running 2017 Sea-Doo Spark Trixx 900 HO ACE and 134 hours. Brand: Sea-Doo MPN: 420911475...More Details »
Item #: RC-4673-31
Condition:
Used
Limited Supply: Only 1 Left!
Price: $114.99
Crankcase Center Crank Case & Cylinders
Description: Crankcase is in good condition with no cracks or repairs. Finish has light wear. Bearings are good. Bores have light wear and measure 74mm. Comes as pictured. Was removed from a running 2017...More Details »
Item #: RC-4673-43
Condition:
Used
Limited Supply: Only 1 Left!
Price: $999.99
Crankshaft Position Sensor
Description: Sensor is in good condition. Has light wear. Comes as pictured. Was removed from a running 2017 Sea-Doo Spark Trixx 900 HO ACE and 134 hours. Brand: Sea-Doo MPN: 420966570 Condition: Used
Item #: RC-4673-6
Condition:
Used
Limited Supply: Only 1 Left!
Price: $9.90
Engine Bracket Mounts
Description: Brackets are straight and in good condition with no cracks. Finish has light wear. Comes as pictured. Was removed from a running 2017 Sea-Doo Spark Trixx 900 HO ACE and 134 hours. Brand: Sea-Doo...More Details »
Item #: RC-4673-81
Condition:
Used
Limited Supply: Only 1 Left!
Price: $34.99
Exhaust Camshaft Cam Shaft
Description: Camshaft is in good condition, journals have light wear. Comes as pictured. Was removed from a running 2017 Sea-Doo Spark Trixx 900 HO ACE and 134 hours. Brand: Sea-Doo MPN: 420820112,...More Details »
Item #: RC-4673-29
Condition:
Used
Limited Supply: Only 1 Left!
Price: $75.00
Exhaust Manifold Flange
Description: Exhaust manifold is in good condition, finish has light wear. Comes as pictured. Was removed from a running 2017 Sea-Doo Spark Trixx 900 HO ACE and 134 hours. Brand: Sea-Doo MPN: 420673510...More Details »
Item #: RC-4673-40
Condition:
Used
Limited Supply: Only 1 Left!
Price: $49.90
Flywheel Starter Clutch Bearing & Gear
Description: Flywheel is in good working condition. Starter clutch is in good shape. Comes as pictured. Was removed from a running 2017 Sea-Doo Spark Trixx 900 HO ACE and 134 hours. Brand: Sea-Doo MPN:...More Details »
Item #: RC-4673-27
Condition:
Used
Limited Supply: Only 1 Left!
Price: $69.99
Heat Exchangers Left & Right
Description: Heat exchanger is straight and in good condition, no dents or leaks. Rivets will need to be removed. Comes as pictured. Was removed from a running 2017 Sea-Doo Spark Trixx 900 HO ACE and 134 hours....More Details »
Item #: RC-4673-61
Condition:
Used
Limited Supply: Only 1 Left!
Price: $100.00
Intake Camshaft Cam Shaft
Description: Camshaft is in good condition, journals have light wear. Comes as pictured. Was removed from a running 2017 Sea-Doo Spark Trixx 900 HO ACE and 134 hours. Brand: Sea-Doo MPN: 420820102,...More Details »
Item #: RC-4673-28
Condition:
Used
Limited Supply: Only 1 Left!
Price: $75.00
Knock Noise Sensor
Description: Sensor is in good condition. Has light wear. Comes as pictured. Was removed from a running 2017 Sea-Doo Spark Trixx 900 HO ACE and 134 hours. Brand: Sea-Doo MPN: 420664031 Condition: Used
Item #: RC-4673-5
Condition:
Used
Limited Supply: Only 1 Left!
Price: $14.98
Left & Right Sponson Stabilizer Set
Description: Covers are in good condition with no cracks. Finish has light wear, tabs are intact. Comes as pictured. Was removed from a running 2017 Sea-Doo Spark Trixx 900 HO ACE and 134 hours. Brand:...More Details »
Item #: RC-4673-71
Condition:
Used
Limited Supply: Only 1 Left!
Price: $79.99
Motor Mount Lower Clamps Brackets
Description: Brackets are straight and in good condition with no cracks. Finish has light wear. Comes as pictured. Was removed from a running 2017 Sea-Doo Spark Trixx 900 HO ACE and 134 hours. Brand: Sea-Doo...More Details »
Item #: RC-4673-47
Condition:
Used
Limited Supply: Only 1 Left!
Price: $19.99
Motor Mount Upper Clamps Brackets
Description: Brackets are straight and in good condition with no cracks. Finish has light wear. Comes as pictured. Was removed from a running 2017 Sea-Doo Spark Trixx 900 HO ACE and 134 hours. Brand: Sea-Doo...More Details »
Item #: RC-4673-46
Condition:
Used
Limited Supply: Only 1 Left!
Price: $19.99
Oil Dip Stick
Description: Dip stick is in good condition. Finish has light wear. Comes as pictured. Was removed from a running 2017 Sea-Doo Spark Trixx 900 HO ACE and 134 hours. Brand: Sea-Doo MPN: 420656900, 420856667...More Details »
Item #: RC-4673-25
Condition:
Used
Limited Supply: Only 1 Left!
Price: $19.90
Radiator Coolant Hose
Description: Brand: Sea-Doo MPN: 276000316 Condition: Used
Item #: RC-4673-92
Condition:
Used
Limited Supply: Only 1 Left!
Price: $19.99
Radiator Coolant Hoses
Description: Hoses are in good condition with no leaks. Finish has light wear. Comes as pictured. Was removed from a running 2017 Sea-Doo Spark Trixx 900 HO ACE and 134 hours. Brand: Sea-Doo MPN: 276000292,...More Details »
Item #: RC-4673-34
Condition:
Used
Limited Supply: Only 1 Left!
Price: $24.99
Starter Gear
Description: Gear is in good condition. Teeth have light wear. Comes as pictured. Was removed from a running 2017 Sea-Doo Spark Trixx 900 HO ACE and 134 hours. Brand: Sea-Doo MPN: 420634741 Condition: Used More Details »
Item #: RC-4673-19
Condition:
Used
Limited Supply: Only 1 Left!
Price: $24.90
Stator
Description: Stator is in good working condition. Has only light wear. Comes as pictured. Was removed from a running 2017 Sea-Doo Spark Trixx 900 HO ACE and 134 hours. Brand: Sea-Doo MPN: 420296908...More Details »
Item #: RC-4673-26
Condition:
Used
Limited Supply: Only 1 Left!
Price: $38.99
Stator Cover
Description: Cover is in good condition with no cracks. Finish has light wear. Comes as pictured. Was removed from a running 2017 Sea-Doo Spark Trixx 900 HO ACE and 134 hours. Brand: Sea-Doo MPN: 420911052...More Details »
Item #: RC-4673-39
Condition:
Used
Limited Supply: Only 1 Left!
Price: $49.99
Thermostat
Description: Thermostat is in good working condition. Has light wear from use. Comes as pictured. Was removed from a running 2017 Sea-Doo Spark Trixx 900 HO ACE and 134 hours. Brand: Sea-Doo MPN: 420822651...More Details »
Item #: RC-4673-18
Condition:
Used
Limited Supply: Only 1 Left!
Price: $26.99
Throttle Body
Description: Throttle body is in good condition. Could use quick cleaning. Finish has light wear from use. Comes as pictured. Was removed from a running 2017 Sea-Doo Spark Trixx 900 HO ACE and 134 hours....More Details »
Item #: RC-4673-14
Condition:
Used
Limited Supply: Only 1 Left!
Price: $249.99
Throttle Sensor Right
Description: Sensor is in good condition. Has light wear. Comes as pictured. Was removed from a running 2017 Sea-Doo Spark Trixx 900 HO ACE and 134 hours. Brand: Sea-Doo MPN: 278002283 Condition: Used
Item #: RC-4673-7
Condition:
Used
Limited Supply: Only 1 Left!
Price: $34.99
Vent Hose
Description: Hoses are in good condition with no leaks. Finish has light wear. Comes as pictured. Was removed from a running 2017 Sea-Doo Spark Trixx 900 HO ACE and 134 hours. Brand: Sea-Doo MPN: 237000053...More Details »
Item #: RC-4673-60
Condition:
Used
Limited Supply: Only 1 Left!
Price: $21.99
Air Cut Solenoid Vlave
Description: Valve is in good working condition. Has light wear from use. Comes as pictured. Was removed from a running 2017 Suzuki King Quad 750 AXi 4x4 with 1424 miles. Brand: Suzuki MPN: 18510-29G50...More Details »
Item #: DI51-11-5129-11
Condition:
Used
Limited Supply: Only 1 Left!
Price: $29.99
Clutch Snorkel Intake Vent Tubes
Description: Tubes are in good condition with no cracks. Finish has light wear. Comes as pictured. Was removed from a running 2017 Suzuki King Quad 750 AXi 4x4 with 1424 miles. Brand: Suzuki MPN:...More Details »
Item #: TX-5129-103
Condition:
Used
Not Available
Front Brake Lines
Description: Lines are in good condition with no leaks. Have light wear. Comes as pictured. Was removed from a running 2017 Suzuki King Quad 750 AXi 4x4 with 1424 miles. Brand: Suzuki MPN: 59250-31G10,...More Details »
Item #: TX-5129-97
Condition:
Used
Limited Supply: Only 1 Left!
Price: $59.99
Front Brake Master Cylinder & Lever
Description: Master cylinder is in good working condition, lever is straight. Comes as pictured. Was removed from a running 2017 Suzuki King Quad 750 AXi 4x4 with 1424 miles. Brand: Suzuki MPN: 59600-31D00,...More Details »
Item #: DI51-20-5129-20
Condition:
Used
Limited Supply: Only 1 Left!
Price: $24.99
Front CV Axle Left or Right
Description: Axle is in good condition. Splines and threads are straight, boots are not ripped. Comes as pictured. Was removed from a running 2017 Suzuki King Quad 750 AXi 4x4 with 1424 miles. Brand: Suzuki...More Details »
Item #: TX-5129-54
Condition:
Used
Limited Supply: Only 2 Left!
Price: $70.90
Front Drive Shaft
Description: Shaft is in good condition. Has light wear. Splines are straight. Comes as pictured. Was removed from a running 2017 Suzuki King Quad 750 AXi 4x4 with 1424 miles. Brand: Suzuki MPN: 27151-31G30...More Details »
Item #: TX-5129-61
Condition:
Used
Limited Supply: Only 1 Left!
Price: $34.90
Front Left Brake Caliper
Description: Caliper is in good condition. Has light wear. Slide pins are good. Pads have some wear. Comes as pictured. Was removed from a running 2017 Suzuki King Quad 750 AXi 4x4 with 1424 miles. Brand:...More Details »
Item #: TX-5129-65
Condition:
Used
Limited Supply: Only 1 Left!
Price: $39.99
Front Right Brake Caliper
Description: Caliper is in good condition. Has light wear. Slide pins are good. Pads have some wear. Comes as pictured. Was removed from a running 2017 Suzuki King Quad 750 AXi 4x4 with 1424 miles. Brand:...More Details »
Item #: TX-5129-62
Condition:
Used
Limited Supply: Only 1 Left!
Price: $39.99
Front Wheel Hub & Rotor Left or Right
Description: Hub and rotor are in good condition. Rotor is straight and has light wear from use. Comes as pictured. Was removed from a running 2017 Suzuki King Quad 750 AXi 4x4 with 1424 miles. Brand: Suzuki...More Details »
Item #: TX-5129-72
Condition:
Used
Limited Supply: Only 1 Left!
Price: $39.99
Fuel Check Valve & Breather Hoses
Description: Check valve and hoses are in good shape with no cracks. Comes as pictured. Was removed from a running 2017 Suzuki King Quad 750 AXi 4x4 with 1424 miles. Brand: Suzuki MPN: 85451-75100,...More Details »
Item #: DE61-1-5129-23
Condition:
Used
Limited Supply: Only 1 Left!
Price: $39.99
Handlebar Clamps
Description: Clamps are in good condition. Finish has light wear. Comes as pictured. Was removed from a running 2017 Suzuki King Quad 750 AXi 4x4 with 1424 miles. Brand: Suzuki MPN: 56211-31G10, 56211-31G10...More Details »
Item #: DI51-22-5129-22
Condition:
Used
Limited Supply: Only 1 Left!
Price: $19.99
Muffler Cover Heat Shield
Description: Cover is in good condition with no cracks. Finish has light wear. Tabs are intact. Comes as pictured. Was removed from a running 2017 Suzuki King Quad 750 AXi 4x4 with 1424 miles. Brand: Suzuki...More Details »
Item #: TX-5129-75
Condition:
Used
Limited Supply: Only 1 Left!
Price: $24.99
Power Steering Cover
Description: Cover is in good condition with no cracks. Finish has light wear. Tabs are intact. Comes as pictured. Was removed from a running 2017 Suzuki King Quad 750 AXi 4x4 with 1424 miles. Brand: Suzuki...More Details »
Item #: TX-5129-88
Condition:
Used
Limited Supply: Only 1 Left!
Price: $34.97
Radiator Coolant Hoses
Description: Hoses are in good condition with no leaks. Finish has light wear. Comes as pictured. Was removed from a running 2017 Suzuki King Quad 750 AXi 4x4 with 1424 miles. Brand: Suzuki MPN: 17851-31G00...More Details »
Item #: DE61-17-5129-39
Condition:
Used
Limited Supply: Only 1 Left!
Price: $28.98
Rear CV Axle Left or Right
Description: Axle is in good condition. Splines and threads are straight, boots are not ripped. Comes as pictured. Was removed from a running 2017 Suzuki King Quad 750 AXi 4x4 with 1424 miles. Brand: Suzuki...More Details »
Item #: TX-5129-59
Condition:
Used
Limited Supply: Only 1 Left!
Price: $89.99
Rear Drive Shaft
Description: Shaft is in good condition. Has light wear. Splines are straight. Comes as pictured. Was removed from a running 2017 Suzuki King Quad 750 AXi 4x4 with 1424 miles. Brand: Suzuki MPN:...More Details »
Item #: TX-5129-63
Condition:
Used
Limited Supply: Only 1 Left!
Price: $99.99
Rear Upper Left Control Arm
Description: Control arm is straight and in good condition. Finish has light wear. Bushings are good. Comes as pictured. Was removed from a running 2017 Suzuki King Quad 750 AXi 4x4 with 1424 miles. Brand:...More Details »
Item #: TX-5129-52
Condition:
Used
Limited Supply: Only 1 Left!
Price: $19.99