2001-2006 Honda TRX 300EX Sportrax 300EX Factory Service Manual, Page 186Get this manual

CRANKSHAFTTRANSMISSION Drive new shift drum bearing into Iheleft crankcase using tha special tools
TOOLS: Drive An_ehment, 42 47 mm
Pilot, 25 mm

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InstaU new countersh8ft oil s8al

• ATV
• Jet Ski
• Outboard Motors
• Personal Watercraft
• Snowmobiles
• Stern Drives