Is this oil ok for bikes with catalytic converters?

I use this oil/grade in my 2017 Yamaha FZ09 and it has a catalytic converter, I've had it professionally services and they have found no problems.

Why is this a different part # than buying directly from Motul on Amazon with their part # listed as 836141?

104121 is the Motul SKU. Amazon might have listed their own part number.

How would this perform in an 82 v45 magna?

Google says its 4 quarts of 10w40 for your bike, Personally I have used nothing but 300v in my 2018 gsx250R changed every 3000 miles with zero issues or glitter in the pan after oil change even running it 2212 miles up/down the interstate at 80 mph at 9k rpms when the top speed of my bike was 88 mph. About to do it all again in a few days. Bought the bike with 728 miles on it and now am at 28,4xx miles. It 100 percent has worked for me. Hope this answers your question. Have an awesome day. ZJ_Rides117.

300v Factory Line Road Racing 10w40 4t Synthetic Racing Motor

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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Description

🏍️ Race-Ready Power & Protection, Every Ride Feels Like the Finish Line!

SEAMLESS GEAR SHIFTS - Precision-engineered for buttery smooth clutch and gearbox performance.
TRACK STREET READY - Proven in motorsport, perfect for both competitive racing and spirited street rides.
UNLOCK HIDDEN HORSEPOWER - Advanced ESTER Core technology slashes internal friction for max engine power.
EXTREME TEMPERATURE DEFENSE - Racing-grade oil film strength keeps engines cooler under high RPM stress.
MODERN ENGINE COMPATIBILITY - Optimized for high-rev 4-stroke sportbikes with wet/dry clutches and catalytic converters.

Motul 300V Factory Line 10W-40 is a premium 100% synthetic motorcycle oil featuring proprietary ESTER Core technology that dramatically reduces friction and wear. Designed for high-performance 4-stroke engines, it delivers superior heat resistance, shear stability, and smooth shifting in both track and street conditions. Trusted by racers worldwide, this 4-liter bottle ensures your bike runs cooler, stronger, and faster with every ride.

Specifications

ASIN	B00C714MIG
Automotive Fit Type	Universal Fit
Best Sellers Rank	#9,046 in Automotive ( See Top 100 in Automotive ) #128 in Motor Oils
Brand	Motul
Brand Name	Motul
Compatible with Vehicle Type	ATV; UTV; Side by Side, all-terrain-vehicles;utility-vehicles;street-sport-motorcycles;off-road-motorcycles;street-cruiser-motorcycles;street-touring-motorcycles;street-motor-scooters;snowmobiles;marine-personal-craft
Container Type	Bottle
Customer Reviews	4.9 out of 5 stars 6,797 Reviews
Flash Point	482 Degrees Fahrenheit
Global Trade Identification Number	03374650017686, 03374650247595
Included Components	4 Liters of Motul 300V FL 10W40 100% Synthetic Engine Oil featuring Ester Core Technology, Branded, Double-Sealed Motul 300V Bottle with Integrated Pouring Spout made from 50% PCR Materials.
Item Type Name	Motul 104121 300V Factory Line 10W-40 4 Liter
Item Weight	5.3 Pounds
Liquid Volume	4 Liters
Manufacturer	Motul
Manufacturer Part Number	104121
Manufacturer Warranty Description	See Motul
Model Number	104121
Package Information	Bottle
SAE J300 Viscosity Grade	10W-40
Size	4L
Unit Count	135.256 Fluid Ounces
Vehicle Service Type	ATV; UTV; Side by Side, all-terrain-vehicles;utility-vehicles;street-sport-motorcycles;off-road-motorcycles;street-cruiser-motorcycles;street-touring-motorcycles;street-motor-scooters;snowmobiles;marine-personal-craft Vehicle Service Type ATV; UTV; Side by Side, all-terrain-vehicles;utility-vehicles;street-sport-motorcycles;off-road-motorcycles;street-cruiser-motorcycles;street-touring-motorcycles;street-motor-scooters;snowmobiles;marine-personal-craft See more
Viscosity Level	Medium to High

Reviews

M**N

5.04.2026

S**4

1.03.2026

G**Z

2.03.2026

J**Z

11.03.2026

D**R

16.09.2024

J**H

19.03.2026

C**B

1.03.2026

T**S

4.11.2025

C**T

3.07.2025

S**G

23.09.2019

M**B

19.10.2023

A**A

6.08.2025

C**Y

14.05.2021

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300V Factory Line Road Racing 10W40 4T Synthetic Racing Motor Oil with ESTER Core® Technology for Maximum Power and Protection 4L (10W40, 4L)

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