Can you tell the difference in sound on a VT Honda or a HD - Page 2 - Honda Shadow Forums : Shadow Motorcycle Forum
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post #11 of 32 (permalink) Old 04-12-2019, 10:35 AM
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I absolutely agree


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1986 honda shadow vt700c - roxy
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post #12 of 32 (permalink) Old 04-12-2019, 11:01 AM
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I am with others, a dual pin sounds a lot different than a single pin and at idle are very easy to tell apart, at speed, a little harder to distinguish.

I also agree with I don't like the sound of the single pin with the loping idle, always sounds like it is about to die.
I like engines that purr, not lope.
I am the same with cars, I see these late 60's with the extreme cams that seem they are barely running at idle. Sounds horrible to me, but I know others love it.

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post #13 of 32 (permalink) Old 04-12-2019, 12:01 PM
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Originally Posted by tc862011 View Post
The 1100 I believe was the only one with a single pin crank, meaning the cylinders move up and down at the same time altho each one is in a different cycle, ones exhaust while the other is intake, the 800,750, and 650 are all dual pin cranks meaning the pistons move opposite . One is moving up as the other moves down. Hard to get a dual pin to sound like a Harley because of this unless you lower the idle to much and then you are starving the top end of oil at idle


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The only 1100 that was a single pin was the Ace, the rest were twin pins.
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post #14 of 32 (permalink) Old 04-12-2019, 12:02 PM
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Ahhh ok thatís what it was, thank you


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post #15 of 32 (permalink) Old 04-12-2019, 12:19 PM
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My addition to the confusion the 1100s can't have it all. (-:

The VT800 is an offset rod journal crank ("dual pin").
The VT750/700s prior to it were too, as were the VT500s.

All VT600s two rod journals were not offset hence earning the moniker "single pin" even though they are technically not, as there are separate journals for each rod.
All VT750s from '97/98 on of all flavors follow this pattern started by VT600 in '88.

The cranks with the offset journals are better balanced and run smoother all the way up.
The cranks with the non-offset journal are possibly stronger, and less prone to cracking with extreme engine mods, but will shake your teeth out trying to get there and prove the point.

The non-offset journal cranks with the 52 degree cylinder banks, sound enough like the single journal cranks and the fork and knife style rods with the 45 degree bank separation that H-D was upset.
As others have have posted up close they do sound different with the sound of the pushrod engine vs. the Honda overhead cam and its typical Honda "silent" chain noise.
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post #16 of 32 (permalink) Old 04-12-2019, 12:22 PM
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My addition to the confusion the 1100s can't have it all. (-:

The VT800 is an offset rod journal crank ("dual pin").
The VT750/700s prior to it were too, as were the VT500s.

All VT600s two rod journals were not offset hence earning the moniker "single pin" even though they are technically not, as there are separate journals for each rod.
All VT750s from '97/98 on of all flavors follow this pattern started by VT600 in '88.

The cranks with the offset journals are better balanced and run smoother all the way up.
The cranks with the non-offset journal are possibly stronger, and less prone to cracking with extreme engine mods, but will shake your teeth out trying to get there and prove the point.

The non-offset journal cranks with the 52 degree cylinder banks, sound enough like the single journal cranks and the fork and knife style rods with the 45 degree bank separation that H-D was upset.
As others have have posted up close they do sound different with the sound of the pushrod engine vs. the Honda overhead cam and its typical Honda "silent" chain noise.


You sir have bested me lol. Awesome knowledge thank you for the lesson. I had no clue that there was even more of a difference


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post #17 of 32 (permalink) Old 04-12-2019, 12:41 PM
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The VT600c Motor was a single pin motor as well. Some years ago I had one, and I had bought some loud and illegal slash cut pipes. From a distance it was hard to tell, that this is a 600 Honda. That made me proud...

The push rods are kind of old fashioned design. As they have more mass compared to more modern constructions, they are not good in high RPM. Still, Yamaha has a push rod V-motor as well, ther's also a good reason for push rods, I can' remember what.

The recent HD motors were designed by Porsche, and one to-do was to keep this characteristic sound. The single pin design you can find on olde V8 motors and are basically a simple, cheap design. It is NOT what you would call sophistication...

I am a bit fan of Honda bikes, but I have to admit, HD have some very cool bikes. Close to my work there's the HD shop for northern Germany, and from time to time I have a look at their show room.
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post #18 of 32 (permalink) Old 04-12-2019, 01:21 PM
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I actually wish I could make my Buell sound less like a Harley and more like a Honda

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post #19 of 32 (permalink) Old 04-12-2019, 01:27 PM
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I am a bit cornfused. Is my 2015 VT750C Shadow single or double pin? Offset non-offset???

I am coming from an older Triumph Tiger background.
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post #20 of 32 (permalink) Old 04-12-2019, 02:18 PM
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The 2015 750 Aero, like all the other VT750 types from the 750 ACE on, has 2 non-offset rod journals making the sound very similar to the classic Harley Davidson engine with its one journal for 2 rods (a real single pin ).

Honda's CX500 family is a true single pin crank, but with its 90 degree bank angle and offset cylinders it is more like a chunk of a small block chevy crank than the shaking monkey motion of the Harley, non offset cylinders, 45 degree bank angle and knife and fork connecting rods. The sound of a loud CX500 is closer to a Ducati or Moto Guzzi than a Harley or a non-offset crank VT Honda.
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