Oregon SpeedCut™ Nano 80TXL 10" Chainsaw Conversion Kit for Echo CS-303T

Oregon SpeedCut™ Nano 80TXL 10" Chainsaw Conversion Kit – .325" Low Profile, .043" Gauge, 46 Drive Links – Fits ECHO CS-303T

Upgrade your compatible ECHO CS-303T chainsaw to Oregon's high-performance SpeedCut™ Nano 80TXL cutting system. This complete conversion kit includes the 10" guide bar, 46-drive-link SpeedCut Nano chain, and matching 7-tooth spur sprocket needed to convert the saw to Oregon's .325" Low Profile narrow-kerf system.

The SpeedCut Nano system is engineered to improve cutting efficiency on compact chainsaws. Its narrow-kerf design helps increase cutting speed, reduce cutting chatter, and make more efficient use of available saw power. The result is smooth, fast cutting performance with less tendency to stall in the cut.

Product Features

• Complete Oregon SpeedCut™ Nano 80TXL chainsaw conversion kit
• Converts compatible saws to the .325" Low Profile SpeedCut Nano cutting system
• Includes 10" guide bar, 46-drive-link chain, and matching sprocket
• Fits ECHO CS-303T chainsaws
• .325" Low Profile pitch
• .043" gauge
• 46 drive links
• 7-tooth spur sprocket
• Narrow-kerf cutting system requires less power to make the cut
• Designed to increase cutting efficiency
• Increased cutting speed helps compact saws handle demanding cutting jobs
• Smooth cutting performance with minimal cutting chatter
• Designed to reduce the tendency of the saw to stall in the cut
• LubriTec™ lubrication system helps keep the chain and guide bar properly oiled
• Reduced friction helps extend guide bar and chain life
• Efficient SpeedCut Nano chain design can help increase useful run time
• Designed for chainsaws in the 1–3 HP / 20–38cc range

Specifications

• Brand: Oregon
• Product Number: 637255
• Product Series: SpeedCut™ Nano 80TXL
• Product Type: Chainsaw Cutting System Conversion Kit
• Guide Bar Length: 10"
• Pitch: .325" Low Profile
• Gauge: .043"
• Drive Links: 46
• Sprocket: 7-Tooth Spur Sprocket
• Cutting System: Narrow Kerf
• Recommended Saw Power: 1–3 HP
• Recommended Saw Displacement: 20–38cc
• Application: Conversion to Oregon SpeedCut Nano 80TXL System

What's Included

• 1 – Oregon SpeedCut Nano 10" Guide Bar
• 1 – Oregon SpeedCut Nano 80TXL .325" Low Profile, .043" Gauge, 46 Drive Link Saw Chain
• 1 – Matching 7-Tooth Spur Sprocket

What This Conversion Kit Does

This kit replaces the chainsaw's existing bar, chain, and drive sprocket with a matched Oregon SpeedCut Nano 80TXL system. Changing all three components allows the saw to operate the specialized .325" Low Profile narrow-kerf chain correctly.

The narrow-kerf 80TXL chain removes less material during the cut, helping the chainsaw use its available power more efficiently. This provides fast, smooth cutting performance with minimal cutting chatter and less tendency to stall under load.

Fits These Chainsaw Models

ECHO CS-303T

Important: Verify the exact chainsaw model and existing cutting system before installation. This kit changes the bar, chain, and sprocket as a matched system and is not simply a replacement 10" chain and guide bar.

Common Applications

• Converting compatible chainsaws to Oregon SpeedCut Nano 80TXL
• Professional tree care
• Tree trimming
• Pruning
• Limbing
• Storm cleanup
• Small tree and branch removal
• Property maintenance
• General-purpose compact chainsaw work
• Improving cutting efficiency on compatible compact saws

Frequently Purchased Together

• Oregon 80TXL replacement chain – 10", .325" Low Profile, .043" gauge, 46 drive links
• Oregon SpeedCut Nano compatible 10" replacement guide bar
• Oregon chainsaw sharpening file and filing guide for 80TXL chain
• Depth gauge tool
• Bar and chain oil
• Guide bar groove cleaner
• Chainsaw sharpening kit

Installation Tips

• Shut the chainsaw off, allow it to cool, and disconnect the spark plug before beginning installation.
• This is a complete cutting-system conversion. Install the supplied bar, chain, and sprocket together.
• Do not attempt to run the .325" Low Profile 80TXL chain on an incompatible standard .325" sprocket or guide bar.
• Remove the existing guide bar, chain, and drive sprocket according to the chainsaw manufacturer's service procedures.
• Clean the bar mounting area, chain tensioner, and oil passages before installing the new components.
• Install the supplied 7-tooth spur sprocket and verify that it is properly seated.
• Install the 10" SpeedCut Nano guide bar and confirm that the chain tensioner engages the bar correctly.
• Install the 46-drive-link 80TXL chain with the cutter edges facing forward across the top of the guide bar.
• Make sure every drive link is properly seated in the guide bar groove and sprocket.
• Adjust chain tension according to the chainsaw manufacturer's instructions. The chain should move freely around the guide bar while remaining properly seated in the groove.
• Verify that the chain lubrication system is functioning properly before cutting.
• Recheck chain tension after the first several cuts and periodically during operation.
• When replacing the chain in the future, use a compatible 80TXL .325" Low Profile, .043" gauge, 46-drive-link chain to maintain the converted cutting system.

Why Choose the Oregon SpeedCut Nano 80TXL System?

Oregon SpeedCut™ Nano 80TXL is designed to get more cutting performance from compact chainsaws. By combining a narrow-kerf .325" Low Profile chain with a matching guide bar and sprocket, the system helps improve cutting efficiency, speed, smoothness, and overall saw performance. This complete 10" conversion kit provides the matched components needed to convert a compatible ECHO CS-303T chainsaw to the SpeedCut Nano 80TXL cutting system.