Some people are genius-8cyl. homemade bike

[groran1000]

Listen to the end, he brings idle down to maybe 600rpm. I wish I could do this.

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[Kiwi Rider]

Listen to the end, he brings idle down to maybe 600rpm. I wish I could do this.

Unbelievable build. | Unbelievable Motorcycle! Watch more videos @ #thatmotorcycleguy | By L.A.NikFacebook

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Listen to the end, he brings idle down to maybe 600rpm. I wish I could do this.

Unbelievable build. | Unbelievable Motorcycle! Watch more videos @ #thatmotorcycleguy | By L.A.NikFacebook

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Hmmmm. . . Sounds like no. 3 cyl is misfiring, probably blocked fuel injector or low on compression due to tight inlet tappet condition.
He really shouldn’t run that motor with the tappet covers removed like that either.
But overall, pretty nice engine.

 

[Kiwi Rider]