Collection: PWC Parts & Supplies

【Compatible Models】SEA-DOO
RXP-X 300 (-2020)
RXT-X 300 (2016-17)
GTX-L 300 (2016-17)

Bypasses the resonator located between the muffler and waterbox to improve exhaust efficiency.

【Compatible models】
SEA-DOO SPARK (Compatible models listed below)

Bypasses the resonator between the muffler and the water box to increase exhaust efficiency.

【Please note】
・If marked "Order" or out of stock, it will take time to prepare.
・As this is an overseas order product, cancellations, returns, and exchanges are not accepted after an order has been placed.

Compatibility details
2025 Sea-Doo Spark (2up)
2025 Sea-Doo Spark (3up)
2025 Sea-Doo SPARK TRIXX (1up)
2025 Sea-Doo SPARK TRIXX (3up)
2024 Sea-Doo Spark (2up)
2024 Sea-Doo Spark (3up)
2024 Sea-Doo SPARK TRIXX (1up)
2024 Sea-Doo SPARK TRIXX (3up)
2023 Sea-Doo Spark (2up)
2023 Sea-Doo Spark (3up)
2023 Sea-Doo SPARK TRIXX (2up)
2023 Sea-Doo SPARK TRIXX (3up)
2022 Sea-Doo Spark (2up)
2022 Sea-Doo Spark (3up)
2022 Sea-Doo SPARK TRIXX (2up)
2022 Sea-Doo SPARK TRIXX (3up)
2021 Sea-Doo Spark (2up)
2021 Sea-Doo Spark (3up)
2021 Sea-Doo SPARK TRIXX (2up)
2021 Sea-Doo SPARK TRIXX (3up)
2020 Sea-Doo Spark (2up)
2020 Sea-Doo Spark (3up)
2020 Sea-Doo SPARK TRIXX (2up)
2020 Sea-Doo SPARK TRIXX (3up)
2019 Sea-Doo Spark (2up)
2019 Sea-Doo Spark (3up)
2019 Sea-Doo SPARK TRIXX (2up)
2019 Sea-Doo SPARK TRIXX (3up)
2018 Sea-Doo Spark (2up)
2018 Sea-Doo Spark (3up)
2018 Sea-Doo SPARK TRIXX (2up)
2018 Sea-Doo SPARK TRIXX (3up)
2017 Sea-Doo Spark (2up)
2017 Sea-Doo Spark (3up)
2017 Sea-Doo SPARK TRIXX (2up)
2016 Sea-Doo Spark (2up)
2016 Sea-Doo Spark (3up)
2015 Sea-Doo Spark (2up)
2015 Sea-Doo Spark (3up)
2014 Sea-Doo Spark (2up)
2014 Sea-Doo Spark (3up)

【Compatible Models】 SEA-DOO
RXT-X 300 (2018-2019)
GTX-LTD 300 (2018-2019)

This product bypasses the resonator located between the muffler and water box, improving exhaust efficiency.

【Compatible models】SEADOO
RXP-X 300 (2021 model)

Improve engine performance by bypassing the resonator after the water box and using a rear exhaust.

【Compatible Models】SEADOO
RXP-X 300 (-2020)

Improve engine performance by bypassing the resonator after the water box and using a rear exhaust system.

【Compatible models】SEA-DOO
RXT-X300 (2016-2017)
GTX-L300 (2016-2017)

This product improves engine performance by bypassing the resonator after the water box and adopting a rear exhaust system.

【Compatible Models】SEADOO
For SPARK 2UP only (Cannot be installed on SPARK 3UP) (Separate product for 3UP, Part No.: RS15130-C)

By bypassing the resonator after the waterbox and directing exhaust to the rear,
engine performance is improved.

The RIVA RS15120-1 Rear Exhaust Kit is a performance upgrade that improves exhaust efficiency on SEA-DOO 300/325 models.
It bypasses the resonator located behind the OEM water box and converts to a rear exhaust, improving throttle response and sound.

【RS15120-1 Compatible Models】
SEA-DOO
Explorer Pro 170 (2024-2026)
Explorer Pro 230 (2026)
FishPro Sport 170 (2026)
FishPro Trophy 170 (2026)
GTX 170 (2022-2026)
GTX 300 (2022-2026)
GTX LIMITED 300 (2018-2024)
GTX Limited 325 (2025-2026)
GTX230 (2021-2026) 
RXT-X 300 (2018-2023)
RXT-X 325 (2024-2026)
Wake 170 (2022-2025)
WAKE PRO 230(2018-2026)

By bypassing the resonator behind the water box and converting to a rear exhaust,
engine performance is improved.

【Disclaimer】
・If marked "取り寄せ" (made to order) or out of stock, it will take time to prepare.
・As this is an overseas order product, cancellations, returns, and exchanges are not accepted after an order has been placed.

【Compatible Models】SEA-DOO
RXP-X 260RS (T3/
GTR215 (GTI)

Enhances engine performance by bypassing the resonator after the water box and
directing exhaust to the rear.

【Compatible Models】SEA-DOO
RXT-X260/iS/aS
RXT-X260RS/GTX (S3 Hull ALL)

*For models with suspension function, please use with [RS15090-RSB].

Improved exhaust flow leads to enhanced performance.

【Compatible Models】
KAW/YAM/SD ALL MODELS

●Increasing the air intake and sending a large volume of air to the engine improves acceleration at low and mid-range speeds and increases top speed.

【Compatible models】SEA-DOO
RXP-X300 (2021~ models)

By increasing the air intake and sending a large amount of air to the engine,
low-to-mid speed acceleration improves and top speed increases.

Applicable models: SEA-DOO WAKE PRO 230 ('18-'19)

By increasing the amount of air intake and supplying a large amount of air to the engine,
low to mid-range acceleration improves and top speed increases.

Applicable models: SEA-DOO SPARK

Increasing the air intake and feeding a large volume of air to the engine
improves low-to-mid range acceleration and increases top speed.

【Compatible models】SEA-DOO
RXT-X300 (2018-19)
GTX-L300 (2018-19)

By increasing the air intake and supplying a large amount of air to the engine,
low to mid-range acceleration improves and top speed increases.

【Compatible Models】 KAWASAKI 1500SX-R 4-stroke

● Race-proven design delivers significant handling improvement over stock 1500SXR sponsons.

● Backing plate is precision machined from high-strength billet aluminum and anodized to prevent corrosion.

● Features a bulletproof fin mounting system, including three anchor points with billet inserts. ● Sponson depth and fore/aft position are adjustable. ● Easy installation requires no drilling.

●Compatible models: KAWASAKI
ULTRA310X/310LX/310R/310SE
ULTRA300X/300LX
ULTRA260X/260LX
ULTRA250X
ULTRA LX
PRO Series Sponsons.
Achieves agile cornering.
Excellent grip stability in corners.

[Compatible models] KAWASAKI ULTRA250/LX/15F

Exhaust port only

●Made of aluminum with taper processing.
●The tail side becomes stylish.

■Size: Hull IN side 60φ

【Compatible with】KAWASAKI
ULTRA300/260/250 (2008)

※For use with genuine water boxes of ULTRA300 (2011-), ULTRA250/260 (2008-2010),
please also use "Part Number: RK16090-08-ERC Conversion Coupler."

●Improves exhaust efficiency and reduces back pressure.

●ULTRA models from '08 onwards include a large-diameter exhaust outlet.

This conversion coupler is required when installing "Part No. RK16110 RIVA Free Flow Exhaust" on a genuine water box.

【Compatible Models】
KAWASAKI NEW SX-R

●Provides a steady supply of cool air to the engine, significantly improving acceleration and RPM.

●This system draws cool air from the front of the engine compartment near the hull vents.

●Replaces the restrictive stock airbox with a high-volume, precision-molded intake tube.

●Cool air enters the system through an oversized K&N filter element.

【Compatible Models】KAWASAKI ULTRA 310/300

The extra-large filter and large 4-inch diameter pipe deliver air to the supercharger without being affected by the heat in the engine compartment, improving both acceleration and top speed.
Includes a water-repellent pre-filter.

■Filter mounting diameter: 4 inches (approx. 100mm)

Applicable models:
KAWASAKI
ULTRA 260/250

By increasing the air intake and sending a large amount of air to the engine,
low-to-mid-range acceleration is improved, and top speed is also increased.

[Compatible models] KAWASAKI Ultra150-A1 model only (genuine part number: 92070-3704)

●Sold in units of 1 piece *Image is for illustrative purposes only.

[Applicable models] For KAWASAKI Di model only (genuine product number: 92070-3705)

●Sold in units of one. Please purchase as many as you need.
*The image is an image photograph.

[Compatible models] 1000 / 1100 4-STROKE FX140 FX-C FX160 FX160-C

High torque starter motor built to exceed OEM stock torque.
OEM #:60E-81800-00

【Compatible models】KAWASAKI
ULTRA310 (14-)
ULTRA300 (11-13)
ULTRA LX (12-)
1500SX-R (17-)
STX15F (14-)

■Set contents
【1】Kawasaki Genuine R4 Oil (J0148-0002-1) 4L ×1
【2】Kawasaki Genuine R4 Oil (J0148-0001) 1L ×1
【3】Aftermarket Oil Filter (JL013) ×1
【4】JETRENU PURPLE (JR-1001) 473ml ×1

■Regarding oil changes
*Based on information from the service manual, the set includes the required amount for a standard oil change. However, depending on the work performed, more than 5L may drain. If this occurs, please prepare additional Kawasaki R4 SG10W-40 oil separately.

■JR-1001 JETRENU PURPLE details
Clean & Wax. A small amount creates a surprisingly rich lather, removing dirt from hulls and trailers, achieving a glossy finish, and maintaining UV protection. We recommend trying this 473ml size first, as it's the perfect amount to use up in one season.

【Applicable to】Personal watercraft, cars, boats, motorcycles
【Purpose/Effect】Cleaning & Wax. Achieves a glossy finish and provides lasting UV protection.
【Volume】473ml (approx. 15 washes for a jet ski / when using 30ml per wash)
【How to use】Pour about 30ml of this product into an empty bucket, dilute with water, and polish the hull with a sponge or soft brush. If using a foam gun, dilute to your preferred ratio.

【Precautions】
1. Keep out of reach of children.
2. Wear gloves, a mask, goggles, etc., to protect yourself when using.
3. In case of accidental ingestion, drink a glass of water and seek medical attention immediately.
4. If it gets in your eyes, rinse immediately with plenty of water.
5. If it comes into contact with skin, wash off immediately.

【Disclaimer】
*Please note that the package design and shape may differ from the photos depending on the time of arrival.

【Please read before ordering】
This product is a **manufacturer-ordered product (genuine parts)**.
Once your order is confirmed, we will promptly place an order with the manufacturer. Therefore, cancellations or changes to your order due to customer convenience will not be accepted in principle.
Additionally, depending on the manufacturer's stock status, delivery may take some time. We will notify you of the delivery date as soon as it is confirmed.
Please place your order after acknowledging this in advance.

[Compatible] For ODI grips only. *Cannot be installed on anything other than ODI.

Set includes 2 lock rings and 2 end caps.
Coordinating it with the hull of the boat or other items will make it look stylish.
*Colors not listed as options are sold out*

■Resin material with excellent solvent resistance, chemical resistance, oil resistance, impact resistance, abrasion resistance, and weather resistance.
■Operating temperature range -20℃～110℃

Outer diameter 6×6×6mm
Inner diameter 4×4×4mm

■Resin material with excellent solvent resistance, chemical resistance, oil resistance, impact resistance, abrasion resistance, and weather resistance.
■Operating temperature range -20℃～110℃

Outer diameter: 6x6x6mm
Inner diameter: 4x4x4mm

■ Resin material with excellent solvent resistance, chemical resistance, oil resistance, impact resistance, abrasion resistance, and weather resistance.
■ Operating temperature range: -20℃ to 110℃

Outer diameter: 6 x 8 x 8 mm
Inner diameter: 4 x 5 x 5 mm

[Quantity] 1L x 12 pieces set
[Adaptation] 4 stroke
[Quality] 10W-40

●A high-performance oil containing additives based on mineral oil.
●Recommended for all 4-stroke machines.

[Quantity] 1L x 12 pieces set
[Adaptation] 4 stroke
[Quality] 10W-40

●Reduced engine friction and wear and tear.
●It lasts longer and has more stable adhesion than conventional oils.
●It is a 4-cycle engine oil that is fuel efficient and has a cleaning effect inside the engine.

[Quantity] 1L x 12 pieces set
[Adaptation] 4 stroke
[Quality] 15W-50

●Reduced engine friction and wear and tear.
●It lasts longer and has more stable adhesion than conventional oils.
●It is a 4-cycle engine oil that is fuel efficient and has a cleaning effect inside the engine.

[Quantity] 1L x 12 pieces set
[Adaptation] 4 stroke
[Quality] 0W-30

●Developed for drag racing with high-performance 4-cycle racing engine.
●Super multi-grade racing oil.
●Advanced additive technology prevents engine friction and temperature rise and improves maximum output.

[Quantity] 3748ml x 4 bottles set
[Applicable] 2-stroke mixing/separation
[Quality] TC-W3

Excellent rust and corrosion resistance against freshwater and saltwater,
Prevents plug dirt, ring adhesion, and carbon buildup.
High-temperature oil film strength and stability in high-temperature ranges protect high-speed rotation under harsh conditions.

[Capacity] 1L x 12 bottles

●A synthetic petroleum 2-cycle engine oil formulated based on the latest technology in the lubricant field.
●Uses oil with excellent combustibility and excellent lubrication function under high temperatures.
●Reduces oil stains and carbon buildup, suppresses spark plug ignition irregularities.

[Quantity] 3784ml x 4 bottles set
[Applicable] 2-stroke mixing/separation DI/catalyst compatible racing

●Excellent lubrication performance under harsh operating conditions in the high rotation range,
This is the highest quality oil that brings out the full performance of high-performance engines by maintaining the liquid state due to high temperatures.

[Quantity] 1L x 12 pieces set
[Applicable] 2-stroke mixing/separation DI/catalyst compatible racing

●Excellent lubrication performance under harsh operating conditions in the high rotation range,
This is the highest quality oil that brings out the full performance of high-performance engines by maintaining the liquid state due to high temperatures.

[Quantity] 1892ml x 6 bottles set
[Applicable] 2-stroke mixed racing

●The most advanced high-grade 2-stroke engine oil manufactured based on the latest chemical synthesis.
●Compared to other oils, it maintains the liquid state at high temperatures and the slippage of the ring is much improved.

[Quantity] 473ml x 12 bottles set
[Applicable] 2-stroke mixed racing

●The most advanced high-grade 2-stroke engine oil manufactured based on the latest chemical synthesis.
●Maintains liquid state at higher temperatures than other oils,
●Significantly improves ring slippage.

[Quantity] 1892ml x 6 bottles set
[Applicable] 2-stroke mixing/separation racing

●If the engine is rusted, corroded, carbon buildup, plugs are clogged, etc.
Protects from various types of abrasion and keeps it clean.
●An environmentally friendly oil based on 90% vegetable oil.

[Quantity] 473ml x 12 bottles set
[Applicable] 2-stroke mixing/separation racing

●If the engine is rusted, corroded, carbon buildup, plugs are clogged, etc.
Protects from various types of abrasion and keeps it clean.
●An environmentally friendly oil based on 90% vegetable oil.

[Quantity] 1892ml x 6 bottles set
[Applicable] 2-stroke mixed racing
[Quality] Racing oil, 100% chemically synthesized

This is an ultra-high performance 2-cycle racing oil made from a 100% chemically synthesized polyester base with excellent biodegradability.
Provides advanced film protection for pistons, cylinder walls, cranks, etc.
In addition, high-performance additives minimize ring adhesion, carbon accumulation, rust, and chemical changes.

[Quantity] 473ml x 12 bottles set
[Applicable] 2-stroke mixed racing
[Quality] Racing oil, 100% chemically synthesized

This is an ultra-high performance 2-cycle racing oil made from a 100% chemically synthesized polyester base with excellent biodegradability.
Provides advanced film protection for pistons, cylinder walls, cranks, etc.
In addition, high-performance additives minimize ring adhesion, carbon accumulation, rust, and chemical changes.

Motoine Racing Straight Thread 1/4: Outer diameter 1/2

Special product for big lines