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[Volume] ・Proximity: 90dB/4250rpm ・Acceleration: 82dB [Maintenance Data] ・Oil change: ○ ・Filter replacement: ○ ・Center stand: - [Specification] ・Government certified exhaust JMCA certified Conforms to exhaust gas regulations Conforms to noise regulations 2 years warranty
*Images may contain other types.
Cyclone developed for the 2017 CRF250RALLY / L / M which complies with the new regulations by reviewing the intake and exhaust. The silencer design is based on US Yoshimura's motocross "RS-4" which is used in AMA Supercross etc. and adapted to Japanese standard.
This Slip-On Cyclone is designed to be used with the stock exhaust system.This exhaust is designed to meet the stringent Japanese regulations and provides a significant increase in power output in the low to mid RPM range for a more powerful acceleration. The sound quality is also pursued so that you can experience the joy of manipulation with your sense of hearing.The single engine's crisp exhaust sound is combined with a mild sound quality to provide a light acceleration feel.
The cone end is made of carbon material to reduce weight and create a sport design. On the front side of the silencer, laser marking of "RS-4J" is applied with the emblem, and on the back side, the emblem is also applied. In addition, by using the same mounting position & diameter of the exhaust pipe and tail pipe as the stock exhaust, customers who have a slip-on exhaust can purchase the Yoshimura exhaust pipe only and change the specifications to the full exhaust type which is characterized by increased power in the mid to high RPM range.
・Cyclone EX pipe (S) 111-42E-5L00
<What is EXPORT SPEC?> This EXPORT SPEC is the result of a request from an overseas user who is very particular about the performance of the product, while keeping the original artisanal Tig (weld) burn color and machining marks.By using high durability stainless steel as a material, YOSHIMURA has achieved a unique design and style with excellent cost performance.
■Cover variations ・Stainless steel・・・The most standard cover of the cyclone.It is characterized by the bright luster unique to stainless steel. ・Metal Magic・・・By etching and hard coating on stainless steel, the texture of carbon and the durability of stainless steel are combined. ・Titanium・・・Lighter cover than stainless steel.It is resistant to corrosion and has a dull luster characteristic of titanium. ・Titanium Blue: A cover that shines in vivid rainbow colors by applying anodic oxidation treatment to a titanium cover.
Points of Attention
* If there may be an instruction manual included, it will be written in Japanese.
Compared with OEMExhaust System, Axel's Response is much better and accelerates comfortably. I also changed my front sprocket from an OEM 14T to a Torque (acceleration?) 12T. I also changed the front sprocket from the OEM 14T to the Torque (acceleration?) 12T, so the top end extension used to be a frustrating factor, but it has improved tremendously, and I have no complaints at all, and am having a great time riding the bike. As for the sound, I'm enjoying the low, fat, powerful sound of the Motocrosser. I think it will make driving easier on both forest roads and paved roads as you can immediately tell the difference between the OEM Exhaust System and the OEM Exhaust System, so I would definitely recommend this product to anyone who is looking for more powerful acceleration and improved top extension. It's a lot lighter than the OEMExhaust System, so pushing and pulling and causing the bodywork is a lot easier than it used to be! I was able to install it without any problems by using the included Bracket and Bolt, but I had a hard time adjusting the angle and position. Two of us worked on it, but it was still a little large.View Detail
[used in conjunction with SP Chutaro's PowerBox] After installing the PowerBox, we felt the head-butt feeling at high rpm and the Idling sound of the Normal silencer was not enough. I did the installation myself. Accuracy is good and position is tightly determined. I painted Liquid Gasket on the joint part of PowerBoxPipe and Silencer, and changed to JointClamp made by KITACO. It looks very stylish with Silencer close to the center of the body. The output characteristics at the higher RPMs are quite different from what I was expecting, and I can drive the power band continuously on tight mountain passes to the red zone without feeling the headache. Launch acceleration, Quantity:Pair (for Left and Right) It's a very fun motorcycle with a lot of slapstick, such as the turnaround to the Honestly, the improvement of the sporting qualities through weight reduction is where we felt the most benefit.
The improvement of the output characteristics, including weight reduction, is a true YOSHIMURABrand, with attention to detail and a finish that satisfies the desire for ownership, such as the Spring rubber cover and the "Yoshimura" engraving on the silencer band. It is regrettable that the heat-resistant sticker was about to come off from the beginning.... View Detail
I think the SP Tadao Exhaust Manifold + Yoshimura Exhaust System is a good match The low torque went up pleasantly from bottom to top as well Installation is very accurate and easy to install The volume is different in a personal feeling, but in my opinion, the volume is larger than NORMAL It's goodView Detail
The Exhaust System itself is well made and the Exhaust Parts:Nut and You can see the difference in the bolts I should have prepared the gasket in advance to work on Smooth And remorse After installation, there was no exhaust leak check or body interference, and the exhaust was blinked to Blinker I'm wondering if it won't affect me This was one of the best things about the Manufacturer, even if you install it yourselfView Detail
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