Yoshimura Japan Mechanically Bent GP-MAGNUM Cyclone Type-Up Export Spec Government Certified *Delivery date: Scheduled for early December 2024
Compatible models: Honda Monkey 125 (2024-2025 model)
Vehicle model: 8BJ-JB05 (24-25) / Engine model: JB05E (24-25)

The SC carbon cover version shown in the photo weighs 2.4kg (the standard version is 5.0kg), a 52% weight reduction.

The STB Titanium Blue cover emits a beautiful rainbow glow.
The up-type “Machine-Bent GP-MAGNUM Cyclone TYPE-UP” is a high-performance exhaust system developed in pursuit of performance, sound, and style while following the original form of the Monkey 125.
The combination of the compact exhaust pipe and GP-MAGNUM delivers performance that far exceeds its size, surpassing the stock model in both power and torque across the entire range. The weight has also been reduced by 52% to 2.4 kg (carbon cover) compared to the stock weight of 5.0 kg.
The sound is characterized by the powerful low-pitched sound that is unique to a full exhaust system. The structure has also been ingeniously designed to suppress the harsh exhaust sound that is unique to single-cylinder engines, resulting in a comfortable sound quality that will not tire you out even when riding for long periods of time.
You can choose a silencer cover to suit your budget and preferences. Part of the production process for this Cyclone is carried out at Yoshimura Asia (Thailand).
[What is EXPORT SPEC?]
The EXPORT SPEC is a specification that meets the requests of discerning overseas users. While prioritizing performance, it is characterized by the artisanal TIG (welding) burnt color and processing marks that remain in the original finish.
By using highly durable stainless steel as the material, Yoshimura’s unique design and style are realized while also achieving a price that offers excellent cost performance.
■Government certified muffler/JMCA certified
■Complies with exhaust gas regulations/noise regulations
■2-year product warranty

The included muffler spring’s anti-resonance rubber features the Yoshimura logo.
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| Vehicle model | 8BJ-JB05: (24-25) |
| Engine model | JB05E: (24-25) |
| Automobile Emissions Test Result Certificate (Gas Report) | Mufflers for vehicles under 250cc do not require an exhaust gas test result certificate, so they are not included with the product and are not sold. |
| Main Material | stainless |
| Nearby exhaust noise | 85dB/3,375rpm: (8BJ-JB05) |
| Acceleration noise | 75dB: (8BJ-JB05) |
Product Variations
SS Stainless Steel Cover … 47,300 yen (tax included) / Part No. 110A-44F-5Y51 / Weight: 2.7 kg (STD is 5.0 kg)


SSF Satin Finish Cover … 49,500 yen (tax included) / Part No. 110A-44F-5Y31 / Weight: 2.7 kg (STD is 5.0 kg)

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STB Titanium Blue Cover … 58,300 yen (tax included) /Part No. 110A-44F-5Y81B / Weight: 2.5 kg (STD is 5.0 kg)


SC Carbon Cover …60,500 yen (tax included) /Part No. 110A-44F-5Y91 / Weight: 2.4 kg (STD is 5.0 kg)


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The blue one is the standard model, and the red one is the machine-bent GP-MAGNUM Cyclone TYPE-UP EXPORT SPEC equipped model.
Items you’ll want to wear together!
Carbon Heat Guard SET TYPE-1… 12,100 yen (tax included) Part No. 161-000-A610
This lightweight and durable dry carbon heat guard prevents boots and clothing from coming into direct contact with the exhaust pipe. Finished with a clear coating, this product not only improves durability but also adds a touch of elegance with its glossy finish.
The included center mount bracket and hose band that can be attached to pipes with a diameter of approximately 40-60 mm increase versatility and allow it to be attached to a variety of mufflers.

●Set contents: Heat guard x1 / Heat guard stay x1 / Hose band x1 / Button bolt M6 x2 / Washer M6 x2 / Grommet rubber x2 / Grommet collar x2 / U-nut x2
「カーボンヒートガードSET TYPE-1」の適合商品
・GB350/S Slip-On GP-MAGNUM105サイクロン EXPORT SPEC 政府認証
・XMAX 機械曲R-77Jサイクロン カーボンエンド EXPORT SPEC 政府認証
・XMAX 機械曲R-77Jサイクロン カーボンエンド EXPORT SPEC 政府認証
・CT125 機械曲GP-MAGNUMサイクロン TYPE-UP EXPORT SPEC 政府認証
・CT125 機械曲GP-MAGNUMサイクロン TYPE-UP EXPORT SPEC 政府認証
・CrossCub110 機械曲GP-MAGNUMサイクロン TYPE-UP EXPORT SPEC 政府認証
・Monkey125 機械曲GP-MAGNUMサイクロン TYPE-UP EXPORT SPEC 政府認証
・Monkey125 Slip-On GP-MAGNUMサイクロン EXPORT SPEC 政府認証


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