[JOOM Certified Store]
A trusted Japanese seller delivering high-quality products directly from Japan to the world.
*** PLEASE CHECK BEFORE PURCHASE ***
[1] LANGUAGE & MANUALS
- Most items are designed for the Japanese market. Manuals and system languages are in JAPANESE.
- PRO TIP: We suggest using a "Translation App" with your smartphone camera to translate Japanese text instantly.
[2] VOLTAGE & PLUG
- Power: 100V (90V-110V). A voltage transformer is REQUIRED for use outside Japan.
- Plug: Type A (Japan standard). An adapter may be needed for your country.
- Damage caused by incorrect voltage is not covered by our support. Please ensure compatibility.
[3] FASHION, GAMES, & MEDIA (DVD/Blu-ray)
- To ensure a perfect fit or check region codes and languages, we recommend the following:
1. If detailed specifications are missing, please ADD the item to your CART first.
2. We update descriptions with size charts, region codes, and language info sequentially.
3. We suggest checking the updated information after a few business days before completing your purchase for your best experience.
[4] FEEDBACK & FOLLOW
- If you love your purchase, please "Follow" our store and leave a 5-star review!
- Your support warms our hearts and helps us grow.
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[SHOP INFO]
- 100% Authentic. Directly shipped from Japan.
- NEW ARRIVALS: We update our inventory DAILY with the latest Japanese products!
- Sourced for the Japanese market to ensure strict quality standards.
- Reinforced packaging for safe long-distance international transit.
*(Note: Outer packaging may show minor wear to protect the product inside.)*
- Thank you for choosing Japanese quality!
Compatible models: Monkey/Gorilla: Z50J-1600008~1805927 / Z50J-2000001~ / AB27-1000001~1899999 | Monkey Baja: Z50J-1700001~ | Dax 50 (12V): AB26 | Jazz: AC09 | Magna 50: AC13 | Motra: AD05 | Chaly 50 (AT models not compatible): CF50-3000031~ | Monkey R/RT: AB22 | CD50/Benly 50S/Benly CL50: CD50-1500001~ | Super Cub 50/Press Cub: C50-8000001~9501323 / C50-9600001~0095210 / C50-0200001~ / AA01-1000001~1699999 | Little Cub: C50-4300001~ / AA01-1000001~3999999 | Jorkab: AF53 | Solo: AC17 | XR50R/CRF50F: AE03
Aluminum cast iron sleeve cylinder
Displacement: 88cc | Bore diameter: φ52 | Stroke: 41.4mm (stock)
Piston: Cast
This is a low-cost bore-up kit that allows you to use the standard cylinder head as is.
This will increase torque and power in the low to mid-speed range, allowing you to experience what "bore-up" really means.