See the components for part 6 of our Yamaha Raptor engine build here:
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In part 6 of our 2017 Yamaha Raptor engine build, we’ll show you how to install the valves in the engine. This process takes a little time and attention to detail, as John will show you how to check the valve’s contact with the valve openings and then show you how to lap the valves.
We’ll also show you how to install the camshaft on your Yamaha Raptor 700.
Go back a step and see us install the piston and rings: • Yamaha Raptor 700R Eng...
See the Yamaha Raptor engine build from start to finish here: • 2017 Yamaha Raptor Eng...
Check out these diagrams to see where we’re working:
Valve diagram:
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Camshaft and chain diagram:
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VIDEO HIGHLIGHTS:
Marking valve positions - 2:00
Lapping the valves - 2:25
Installing the valves - 6:25
Installing the camshaft - 9:10
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In the video we’re working with a 2017 Yamaha Raptor 700R, but you may have similar steps for your Yamaha ATV. If you’re not sure whether these steps apply to your machine, leave a comment and we’ll get back to you.
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