Time for new sprockets... - Honda Shadow Forums : Shadow Motorcycle Forum
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post #1 of 20 (permalink) Old 05-12-2019, 04:28 PM Thread Starter
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Model: VT 750 ACE
Year: 1999
Location: South Africa
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Time for new sprockets...

So I'm kinda curious what's everyone's opinion when it comes to replacing the sprockets on an '03 Shadow 750 ACE.
What teeth count is everyone running?
O-ring vs X-link chain?

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post #2 of 20 (permalink) Old 05-12-2019, 11:35 PM
bd*
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Model: Shadow Spirit 750
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I went with a 38 Tooth rear on my 2001 Spirit 750 and I love it.



The wife and I on My, 2001 Shadow Spirit
750.....

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post #3 of 20 (permalink) Old 05-13-2019, 02:00 AM Thread Starter
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Model: VT 750 ACE
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Originally Posted by bd* View Post
I went with a 38 Tooth rear on my 2001 Spirit 750 and I love it. <img src="https://www.hondashadow.net/forum/images/smilies/icon_wink.gif" border="0" alt="" title="Wink" class="inlineimg" />
Any idea what the standard is by any chance?
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post #4 of 20 (permalink) Old 05-13-2019, 07:03 AM
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Model: 750 ACE Dlx
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Originally Posted by Kaihlenfeldt View Post
Any idea what the standard is by any chance?
On the 750ACE, the stock rear sprocket has 41 teeth and the stock front sprocket has 17 teeth. You can't use a larger front sprocket because it won't fit.

My 750ACE has a 37 tooth rear sprocket and a 17 tooth front; I absolutely love it. The engine is more relaxed at highway speeds and it makes the bike feel bigger all around. I wish they made a 36 tooth rear sprocket for the 750ACE!

Problem is, the 37 toother isn't available anymore so when it's time for a new sprocket set, for me it'll have to be a 38T instead.
Phil


1998 VT-750 ACE Deluxe

Sterling Heights, Michigan




Last edited by Phil; 05-13-2019 at 02:26 PM.
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post #5 of 20 (permalink) Old 05-13-2019, 11:57 AM
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I went with a 38 tooth on my Ace as well and will never go back.

Dress for the slide not the ride
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post #6 of 20 (permalink) Old 05-13-2019, 05:46 PM
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I have no problem with a busy sounding engine at highway speeds, but I've ridden a lot of bikes that would be spinning considerably faster at such speeds.

I use the standard 17 x 41 on mine ('99 750 ACE), I did temporarily try a 38 on the rear and reverted back and even considered trying the Spirit's stock 42 tooth.

I have also reverted back to a cushioned front sprocket to reduce the chance of damage to the transmission splines, but that is a different topic.

I'm probably one of the few who think Honda got the gearing close to right to start with.

There is definitely a engine harmonic vibration that seems to occur at around 60 to 70 mph in 5th gear with the stock ratio, and that is what a smaller rear sprocket seems to cure along with providing better steady state fuel mileage.

There is of course a general performance trade off with a smaller sprocket and a loss of top end, but since it is a cruiser most people rate it as a net positive change and will actually tell you it's faster.
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post #7 of 20 (permalink) Old 05-16-2019, 09:37 PM
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I put a 39 tooth on my 750 Spirit and love it, the engine doesn't scream on the highway and I'm still pretty quick off the line. Got a kit off of Ebay that had front and rear sprockets and a chain. You do have to get a masterlink for the chain and cut it down to size. the front sprocket was the same as stock so I didn't bother to swap that out.
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post #8 of 20 (permalink) Old 05-18-2019, 03:02 PM
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Model: VT750CDA
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I’ve been running 18t front and 38t rear for the last 50k miles on my 03 ace, had to notch shifter shaft to fit 18t drive sprocket, my 4th gear is equivalent to the stock 5th gear and I absolutely love this setup for interstate speeds

"03" 750 ACE Performance Mods:
Cobra 2-2 slash cut exhaust w/baffles
DynoJet Stage 1 jet kit
Solid state, rotary fuel pump W/press. regulator
Stock air box W/K&N air filter
External crankcase breather
4 deg. timing mod
Barnett heavy duty clutch springs
18T Primary 38T Rear Sprocket
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post #9 of 20 (permalink) Old 05-18-2019, 04:50 PM
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Originally Posted by torinogt View Post
I’ve been running 18t front and 38t rear for the last 50k miles on my 03 ace, had to notch shifter shaft to fit 18t drive sprocket, my 4th gear is equivalent to the stock 5th gear and I absolutely love this setup for interstate speeds
Can you take a pic of the shifter shaft, I always wanted to do it but got skeered.
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post #10 of 20 (permalink) Old 05-18-2019, 05:39 PM
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The thing that would worry the most about doing this is not the notch to the shifter shaft, but the loss of the drive chain guide plate. Its designed purpose is to stop a wayward chain from eating expensive aluminum and I can't see it being allowed to stay with a 18 tooth sprocket.

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