Yoshimura Japan Machine-Bent GP-MAGNUM Cyclone Type-Down Export Spec Government Certified *Delivery: Scheduled for mid-December 2024 (Delivery date for SS stainless steel cover is currently being adjusted)
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 down-type “GP-MAGNUM Cyclone” is an exhaust system developed in pursuit of performance, sound, and styling that will make the Monkey 125 even more enjoyable, whether you’re riding leisurely feeling the engine’s pulsation, trying out a more aggressive ride, or parking it in the garage.
In terms of performance, the ideal pipe diameter and length have been set to maximize the engine’s potential, achieving increased power across the entire range compared to the output characteristics of a standard muffler.
Compared to the standard muffler’s 5.0 kg, the GP-MAGNUM Cyclone is 2.4 kg (carbon cover), a weight reduction of approximately 52%. Combined with the down-type exhaust pipe layout that leads to a lower center of gravity, this contributes greatly to a light and agile ride.
The sound is characterized by the powerful bass that only a full exhaust can produce. In order to suppress the harsh exhaust noise that is unique to single-cylinder engines, a special silencer structure has been added, resulting in a comfortable sound quality that does not tire you out even when riding for long periods of time.
[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 | 87dB/3,375rpm: (8BJ-JB05) |
| Acceleration noise | 79dB: (8BJ-JB05) |
* Part of the production process for this Cyclone is carried out at Yoshimura Asia (Thailand).
Blue is the standard model, while red is the machine-bent GP-MAGNUM Cyclone TYPE-DOWN EXPORT SPEC equipped model.
Product Variations
SS Stainless Steel Cover … 47,300 yen (tax included) / Part No. 110A-44F-5U52 / Weight: 2.7 kg (STD is 5.0 kg)
SSF Satin Finish Cover … 49,500 yen (tax included) / Part No. 110A-44F-5U32 / 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-5U82B / Weight: 2.5 kg (STD is 5.0 kg)
SC Carbon Cover …60,500 yen (tax included) / Part No. 110A-44F-5U92 / Weight: 2.4 kg (STD is 5.0 kg)
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These are the parts you want to combine!
Right side cover set
This side cover can be attached when replacing the stock up-type muffler with a down-type muffler. It has a stylish design while still retaining the genuine Monkey look.
*Honda genuine “Monkey” logo sticker sold separately
*Painted version is a color similar to the genuine product
Left: Red: 31,350 yen (tax included) / Parts No. 516-400R3001
Right: Yellow: 29,700 yen (tax included) / Parts No. 516-400Y3001
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Left: Blue: 31,350 yen (tax included) / Parts No. 516-400B3001
Right: Unpainted (Black): 18,700 yen (tax included) / Parts No. 516-400-3001
Left: Black: 31,350 yen (tax included) / Part No. 516-400K3001 Right: Black installation example
Left: Red installation example Right: Yellow installation example
[Material]
Side cover body: Made of ABS
. *The side cover body is designed to be painted. If used as is, it may become discolored, hardened, and brittle due to UV rays.
[Accessories]
Mounting brackets, collars, and bolts are included in the set.
◎別途推奨パーツ
ホンダ純正「Monkey」ロゴステッカー
●ボティカラー：バナナイエロー用 ホンダ純正品番：86641-K0F-T00ZA
●ボティカラー：パールネビュラレッド用 ホンダ純正品番：86641-K0F-T00ZB
●ボティカラー：パールグリッターリングブルー用 ホンダ純正品番：86641-K0F-T00ZC
●ボティカラー：パールシャイニングブラック用 ホンダ純正品番：86641-K0F-T00ZD
The Honda Monkey 125, which is fully equipped with parts made by the prestigious Yoshimura, looks great!In 2021, the Honda Monkey 125 was changed from a 4-speed transmission to a 5-speed transmission, further improving its performance. The custom model shown in the photo was tuned by Yoshimura using the Monkey 125 as a base. The body is painted in Yoshimura’s works colors and customized with Yoshimura’s traditional straight cyclone muffler and rearsets. PHOTO: Yamada Shunsuke REPORT: Kita Hideaki Yoshimura Japan https://www.yoshimura-jp.com/ *2022.04.22 Errors in the article have been corrected.
Yoshimura’s new muffler increases horsepower | Machine-bent straight 762 Cyclone for Honda Monkey 125 [Yoshimura Japan]Yoshimura Japan, a prestigious motorcycle parts manufacturer also active in road racing, has released the new “Mechanically Bent Straight 762 Cyclone Government Certified” that is compatible with the popular Honda Monkey 125 (21-25 models with 5-speed transmission), a Class 2 moped. As it is government certified, it can be used safely on public roads. Delivery is scheduled for mid-January 2025. *A separate dedicated model is available for the 2018-2020 models with 4-speed transmission. For more details, please see the article below! REPORT ● Kita Hideaki Yoshimura Japan https://www.yoshimura-jp.com/ Yoshimura Asia https://www.yoshimura.asia/
