KOSO Sport Clutch Kit for HONDA VARIO / AIR BLADE / PCX / ADV / SH / LEAD / VISION

KOSO VARIO SPORT CLUTCH KIT

Upgrade your CVT transmission with the KOSO sport clutch kit, pairing a sport clutch with a carbon steel clutch bell in one set for quicker, smoother take-off and better low-to-mid speed acceleration.

Part number: FN626120
Brand: KOSO
Fits: Honda VARIO / AIR BLADE / PCX / ADV / SH / SH MODE / LEAD / VISION
System: CVT automatic clutch
Color: Black

Features

• Carbon steel clutch bell: designed for both heavy and light loads, with better rotational accuracy and dynamic balance
• Adjustable clutch spring position: the clutch spring position can be changed to suit your riding style
• Stronger low-to-mid speed acceleration: more power at 20–60 km/h compared with the stock clutch (see test results below)

Specifications

• Clutch size: D121.2 × H38.2 mm
• Clutch weight: 231 g
• Clutch spring free length: 31.5 mm
• Clutch bell material: Carbon steel
• Clutch bell weight: 821 g

In the box

• Sport clutch × 1
• Clutch bell × 1

Optional parts (sold separately): clutch spring, center spring, secondary sliding sheave. Some items may not be available in every area.

Performance test (KOSO power curve chart, KOSO kit vs stock)

• Peak power: 7.3 HP vs 7.2 HP
• Power at 20 km/h: 2.8 HP vs 2.4 HP / 40 km/h: 4.7 HP vs 4.3 HP / 60 km/h: 6.4 HP vs 6.2 HP
• 0–60 km/h: 7.9 s vs 8.6 s
• Time to top speed: 36.9 s vs 37.1 s

Results vary with testing environment and weather. For reference only.

Installation notes

• Clutch nut torque: 49 N·m (490 kgf·cm)
• Drive face nut torque: 59 N·m (590 kgf·cm)
• Use the original clutch springs supplied with the kit. Do not use with a clutch bell whose inner surface has been sandblasted, and make sure the clutch and clutch bell do not interfere.
• Installation by a qualified mechanic is recommended, following the KOSO instruction sheet included with the product.