

SMR Factory
SMR Factory 6-Disc Clutch upgrade set for Honda CB250R CBR300R CB300F CB300R
SMR Factory 6-Disc Clutch upgrade set for Honda CB250R CBR300R CB300F CB300R
1860 Obispo Avenue
1860 Obispo Avenue
C
Signal Hill CA 90755
United States
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Take your clutch performance to the next level with the SMR Factory 6-Disc Clutch Upgrade Set, designed specifically for Honda’s 250cc–300cc single-cylinder platforms. Whether you’re riding aggressively on the street, pushing your bike on the track, or running a modified engine, this upgrade adds extra friction material to handle more torque and reduce slippage under load.
Unlike the stock 5-disc setup, this kit increases the clutch surface area by adding a 6th friction plate—giving you stronger engagement, improved durability, and a more consistent feel throughout the rev range. Pair it with stiffer springs (sold separately) for a complete clutch transformation.
Features:
- 6-disc configuration for increased friction surface area
- Improved clutch bite and torque capacity
- Reduces clutch fade and slip under heavy load or high RPM
- Ideal for modified or high-performance engines
- Direct fit for Honda CB250R, CBR300R, CB300F, CMX300 (Rebel 300), and CB300R
- Includes friction plates and steel drive plates for complete install
Fitment:
- Honda CB250R
- Honda CBR300R
- Honda CB300F
- Honda CMX300 (Rebel 300)
- Honda CB300R


