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This is a twin-lead type reducer. This model has a REDUCER logo. Compared with the single reed valve type, it is superior in following the pulsation of blow-by gas in the crankcase.
The reducer is subject to a small amount of "back and forth" due to the action of the engine's intake air compression process.This product is a 1-way (one-way) valve, so this "back and forth" symptom is blocked.As a result, a constant pressure is maintained inside the crankcase, which leads to a reduction (negative pressure) of the pressure inside the crankcase. because of It is possible to connect to either "fuel consumption" or "power output" depending on the accelerator work (data measured and proven) Reduction of "jerky feeling" when accelerator is turned on and off due to reduction of engine braking "Reduction of "shift shock "Reduction of "engine vibration "Reduction of "engine oil deterioration Improved engine durability (longer life) due to internal engine pressure management
The engine brake is also weakened, so you can concentrate more on riding. The logo can be seen on both sides.
Points of Attention
* If there may be an instruction manual included, it will be written in Japanese.
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Ratings & reviews for this product or related products
I changed my racer replica that had cross transmission and back torque limiter to ZX-9R. I noticed that the engine brake force during down shifting became stronger, and I decided to install an inner pressure control valve. I wavered over T-REV, but I chose this REDUCER because I read that it was more effective in someone's blog.
It is easy to install. Just remove the tank and cut the code that connects the crank case and the air cleaner box to install (You need to be careful not to mistake the orientation, though). I first thought of taking off the entire part and cut it, but the hose at the crankcase side was stuck and didn't come off. So I had to use a cutter to take it off and install this valve. (The cut edge of the hose isn't neat because I had to do this in a cramped place.) If you want to install it neatly, you better have a new hose.
I knew that it was going to work all right, for I've seen a similar product installed on a MINIMOTO Single Engine. But with 4-cylinder engines, the effect wasn't that apparent as a single engine. Still, the engine brake had become weaker. You may get irritated at first because it won't slow down in the same way even if you apply the same braking force. The jerky feeling you get when you raise or lower the shift has been reduced, but you may need to apply braking more securely than before. Also, I now can easily start my bike without thinking of the rotation number now.
These type of products are promoted as it has no problem, but I cannot recommend this item to those who drive the bike on street roads or touring drive. It's probably better for those who use their bikes on circuit courses or on mountain roads.View Detail
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