Can a 4 stroke dirtbike be ran wide open?

Ok, so I have a Honda CR 85 (bored out to a 100) and A Honda CRF 100. I was just wondering if the CRF could be ran wide open in its top gear? Its a stupid question but yeah. I know 2 strokes can like my CR but 4 strokes are made more for off road so I was just wondering.

You really won't get much from the crf100 as it is a basic trail bike where the cr is a mx race bike. The equivalent in a 4 stroke would be the crf150r which is a mx race bike

Of course 4 strokes can they have more bottom end power thats what their made for! But 2 strokes don't hold it too long or BOOM! Lol

Any bike can be used flat out in top gear, depends on how well the engine is built as to how long it will last.

Also, don't forget, its only a 100cc engine. It won't give you much.

Holding a 4 stroke wide open for long periods can cause valve float. The harmonics will cause them start to float, and you can get valve to valve contact, and valve to piston. Both are very bad. Very bad. Really no motor is designed for WFO for long periods. Ideal you have a rev limiter that prevents that, but i don't know about something that small.

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