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Author Topic: 17 HP counterbalance  (Read 5078 times)

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Offline sandsnipe

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17 HP counterbalance
« on: November 12, 2011, 02:34:46 pm »
Are all 17 HPs suposed to have two counterbalance shafts?
I just opened one up that has only one.
What do I have?
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Offline redline

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Re: 17 HP counterbalance
« Reply #1 on: November 12, 2011, 02:44:55 pm »
Some had one balance shaft, some had 2. Only way to tell is take them apart, or remove the plugs at the rear of the block for the oil passages, and see how many are drilled.
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Offline sandsnipe

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Re: 17 HP counterbalance
« Reply #2 on: November 12, 2011, 02:51:37 pm »
What would be the difference. Is one better than the other?
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Offline redline

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Re: 17 HP counterbalance
« Reply #3 on: November 12, 2011, 02:54:53 pm »
There are both types out there running currently. The counterbalance on the crankshaft is different between the two. From what I have seen, there is no noticable performance difference between the two in our application.
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Offline BlueBayou

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Re: 17 HP counterbalance
« Reply #4 on: December 04, 2011, 09:27:09 pm »
I have run and heard to just take them out. Mine have held up well without them. No noticable gains in hp but its less weight to turn inside your motor
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Offline George Herrin

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Re: 17 HP counterbalance
« Reply #5 on: December 05, 2011, 06:23:47 am »
YEP what Redline said.
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Offline cody83

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Re: 17 HP counterbalance
« Reply #6 on: March 08, 2012, 12:17:07 am »
Are you rebalanceing the engine after removing the balance shafts?
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Offline George Herrin

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Re: 17 HP counterbalance
« Reply #7 on: March 08, 2012, 06:23:43 am »
nope no rebalance.
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George Herrin #6
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Offline cody83

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Re: 17 HP counterbalance
« Reply #8 on: March 08, 2012, 04:59:17 pm »
Sweet, money saver.  They handle higher rpm pretty good? What kinda redline on a built motor?
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Offline George Herrin

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Re: 17 HP counterbalance
« Reply #9 on: March 08, 2012, 05:05:02 pm »
RIGHT BEFORE IT BREAKS. No two are alike
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George Herrin #6
Indian Power.. You gotta Go big to beat em or Go HOME
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My other racer is a 1/5th scale Dirt Late Model!!!!
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