why does the bottle say racing 4T but you're ad says 4 stroke motorcycle oil?

The oil is formulated for 4 stroke motorcycles, especially with wet clutches. hence the MA/M2 service designation. My bike is shifting much more smoothly with the 4T oil.

Is this oil safe for wet clutches? I have a GL1500

I've used it for over 7,000 miles in my FJR 1300 with a wet clutch. An excellent product, improved shifting,quieter and easier revving .I definitely recommend this oil.

Can this oil be used on a 96 Kawasaki ninja zx7r

Yes. According to the manual (found online) your bike can use 10W-40, 10W-50, 20W-40, & 20W-50 so you should be OK. I use it in a '01 Suzuki DR-Z400 and a '14 Suzuki V-Strom 1000 and I am real happy with the performance.http://www.manualslib.com/manual/375183/Kawasaki-Ninja-Zx-7r.html

Can this oil be mixed with the castro’s powerrs? i’m pretty sure this is the new version and i still have a few new bottles laying around.

Yes, they are able to be mixed. Just note that the grade should be the same (10W-40) or you will have a different viscosity product. Also, if the older product is more than 5 years old since purchased or has any moisture in it, it should not be used.

Castrol Power1 4t 10w 40 Full Synthetic Motorcycle Oil 1

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VT43256

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Description

🏍️ Unleash the Power, Own the Ride!

TRIPLE ZONE DEFENSE - Trizone technology shields engine, clutch, and gearbox—because your bike deserves all-around protection.
CERTIFIED EXCELLENCE - Exceeds API SL and JASO MA-2 standards—trusted by pros, loved by riders.
RACE READY ACCELERATION - Power Release Formula delivers instant throttle response for that adrenaline rush every ride demands.
SHEAR STABILITY CHAMPION - Maintains viscosity integrity to keep your engine running smooth mile after mile.
HEATWAVE PROOF PERFORMANCE - Engineered to excel in both air-cooled and water-cooled engines, even under extreme temperatures.

Castrol Power1 4T 10W-40 is a premium full synthetic motorcycle oil engineered with Trizone technology to protect engine, clutch, and gearbox. Designed for 4-stroke motorcycles, it delivers superior acceleration, exceptional heat resistance, and excellent shear stability. Exceeding API SL and JASO MA-2 standards, this oil ensures top-tier performance and durability for passionate riders.

Specifications

ASIN	B008MISDH4
Automotive Fit Type	Universal Fit
Best Sellers Rank	#5,364 in Automotive ( See Top 100 in Automotive ) #88 in Motor Oils
Brand	Castrol
Brand Name	Castrol
Compatible with Vehicle Type	Motorcycle
Container Type	Bottle
Customer Reviews	4.8 out of 5 stars 2,274 Reviews
Global Trade Identification Number	00079191061121, 00079191215968
Included Components	Motor Oil
Item Type Name	Motor Oil
Item Weight	1 Kilograms
Liquid Volume	1 Quarts
Manufacturer	Castrol
Manufacturer Part Number	06112
Manufacturer Warranty Description	12 Months
Model Number	15D1C9
Package Information	Bottle
SAE J300 Viscosity Grade	10W-40
Size	1 Quart
UPC	079191061121 079191215968
Unit Count	192.0 Fluid Ounces
Vehicle Service Type	Motorcycle

Reviews

B**N

5.02.2026

A**H

26.06.2025

T**.

3.07.2024

R**J

26.12.2015

B**B

23.01.2026

S**K

13.03.2026

M**R

16.02.2020

M**N

29.12.2025

F**L

3.06.2024

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