SUS441 Motorcycle Drive Parts Reviews

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SUS441

07 Dec 2023

Reinforced Clutch Spring

Fits: KAWASAKI Ninja 250SL, KAWASAKI Ninja 250SL, KAWASAKI KLX250, KAWASAKI Ninja 250SL, KAWASAKI Ninja 250SL, KAWASAKI KLX250

Japanese Webike user

4/5

Alleviation of squishiness

Intake/exhaust change + i-map Spec. so 3 bars were replaced.
Purchased together with Spring Seat.

I opened the SL clutch cover for the first time and found that in addition to the gasket cover, I needed a water pump gasket, LLC, pump O-ring, LLC drain gasket, and other small parts, which cost more than I expected.

The squishy feeling when connecting the clutch at full throttle was reduced, but the maximum speed remained the same.

Lever is slightly heavier, but since the original is light, it is not a problem. View detail

SUS441

07 Dec 2023

Clutch Spring Preload Sim

Fits: KAWASAKI Ninja 250SL, KAWASAKI Ninja 250SL, KAWASAKI KLX250, KAWASAKI Ninja 250SL, KAWASAKI Ninja 250SL, KAWASAKI KLX250

Japanese Webike user

4/5

A bit expensive.

Purchased while installing Reinforcement Spring.
Sure, there is a BALI or something like that on the Edge with a very small pole, but it doesn't matter because it's a component that can't be seen from the outside.

I opened the SL clutch cover for the first time and found that in addition to the gasket cover, I needed a water pump gasket, LLC, pump O-ring, LLC drain gasket, and other small parts, which cost more than I expected.

When I opened it, it was buckled as shown in the Product Page photo.

I don't know how it is with the Single Body since I also added the Reinforcement Spring, but the squishy feeling when the clutch is connected at full throttle has been reduced.

However, this price seems rather expensive for what is in effect just a Washer. View detail

SUS441

29 Nov 2022

Clutch Spring Preload Sim

Fits: YAMAHA YZF-R25, YAMAHA YZF-R3, YAMAHA YZF-R3, YAMAHA YZF-R25, YAMAHA YZF-R3, YAMAHA YZF-R3

Japanese Webike user

4/5

Spring will no longer be caught in the notch!

[How is it used?
I used it on the clutch of a YZF-R25 that I am converting to a Racer.
Since everything around the Clutch board was within regulations, we did not replace it with a new one but used it as is.
The vehicle was in Circuit use, but the condition was not bad.

Was the one you received as per Image?
Shim arrived exactly as pictured, no BALI, etc. Beautiful product.

Was the installation difficult?
If you can remove the Clutch cover, it is not difficult at all.
I removed the oil, but if the vehicle is equipped with a side stand, I think it is possible to work without removing the oil.

How was your experience with it?
I've included a photo, but with the OEM ClutchWheel, it is very uncomfortable when the end of the Spring gets caught in the inner meat cutout...just the fact that it is no longer there is a very Plus factor.
I also added Retainer from Kobo Kitamura together with it, so I don't know the effect of Single Body, but the Clutch feeling is much better.
The vehicle has been powered up by an exhaust system replacement and a sub computer to improve the fuel mixture, and since the vehicle is only driven in a circuit, I think the clutch will be under a lot of strain, but so far no problems.
I would like to check if it was working properly at the next Clutch inspection.

[Included Parts:were they on?
No, only Shim.

[Was there anything that disappointed you?
Considering the Pre-road aspect, it would be nice if 8 cards are included so that two cards can be put in one place.

Finally, as a precaution, do not forget to prepare the Clutch Cover Gasket since you will be removing the Clutch cover. If possible, it is better to have a spare Pin of the Case as well. View detail