When I did my 416 rebuild, we broke it in with standard non synthetic oil, then switched to full synthetic. That is what I would reccommend
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2002 Honda 400ex
- Bored to 416cc
- Port and Polished Head
- Full CT Racing Exhaust
- Advanced Flywheel
- XR 400 Cam
- PEP Shocks (Front and Rear)
- UM Aluminum Air Box
- K&N Air Filter
- Rental Handlebars
- Douglas Rims
- Razr MX Tires
- AC Blackline Nerf Bars and Bumper
- ASV Levers
- Pink Raspberry Powdercoat
- Black Maier Plastic
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