Food for Thought. . . - VTXOA
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post #1 of 9 (permalink) Old 04-19-2019, 01:57 AM Thread Starter
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Food for Thought. . .

The previous owner of my VTX 1800N2 put in a transmission from a 1300. Seems to work fine, but just wanted to get some feedback on it. He said it "lowered the gears". Cruises @ 65mph. at around 2300 rpm. PLENTY of torque in all gears, too.

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post #2 of 9 (permalink) Old 04-19-2019, 12:31 PM
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Not transmission, he changed the final drive gears. You will loose top end speeds, but gain a more relaxed highway cruising speed with lower RPMs and save some fuel

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post #3 of 9 (permalink) Old 04-19-2019, 12:50 PM
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Originally Posted by Chicago-Spike View Post
Not transmission, he changed the final drive gears. You will loose top end speeds, but gain a more relaxed highway cruising speed with lower RPMs and save some fuel



as Mr. Spike said..

16 years of doing this... just swap final drive at rear wheel...

1300 and 1800 same .. just different gearing..
many have done this... MANY...

you were Misinformed.



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post #4 of 9 (permalink) Old 04-19-2019, 02:48 PM Thread Starter
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Quote:
Originally Posted by Chicago-Spike View Post
Not transmission, he changed the final drive gears. You will loose top end speeds, but gain a more relaxed highway cruising speed with lower RPMs and save some fuel
I'm averaging about 32 mpg. As a more relaxed rider, I'm happy getting it up to 90mph. Just to know it will do it. And it still pulls the front tire off the ground in 1st, 2nd, and 3rd. Thanks!
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post #5 of 9 (permalink) Old 04-19-2019, 05:04 PM
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I'm curious about the statement "lose top end speeds" with a 1300 final drive installed on the 1800.

Any clarification would be appreciated.

When I put the 1300 final drive on my 1800 I gain top end speed in each gear before the rev limiter kicks in.


John
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post #6 of 9 (permalink) Old 04-19-2019, 05:11 PM
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Originally Posted by cyclejohn View Post
I'm curious about the statement "lose top end speeds" with a 1300 final drive installed on the 1800.

Any clarification would be appreciated.

When I put the 1300 final drive on my 1800 I gain top end speed in each gear before the rev limiter kicks in.


John
If you can get a 1300 final on an 1800 to the rev limiter in 5th, you will indeed pick up top end speed. I could not get my 1800C to the rev limiter with the 1300 final with the amount of road I had. I never really clocked the speed because the speedo accuracy is changed by the change in final gearing, but IMO at that point, it's fast enough.
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post #7 of 9 (permalink) Old 04-19-2019, 07:24 PM
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Quote:
Originally Posted by cyclejohn View Post
I'm curious about the statement "lose top end speeds" with a 1300 final drive installed on the 1800.

Any clarification would be appreciated.

When I put the 1300 final drive on my 1800 I gain top end speed in each gear before the rev limiter kicks in.


John
It doesn't loose top end speed it actually gains top end. What you loose is torque and quickness to the top end. The bike will run out of torque before you get to top speed and in the 1/4 mile you will probably be slower than the 1800 final because it takes longer to get to speed. There is always a trade off with gearing gain something here loose something there.
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post #8 of 9 (permalink) Old 04-20-2019, 06:27 PM
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1300 final

To me, much more useable range in the gears with the 13 final in an 18. And can take 4th very nicely to115 mph., but 5th seems to mope a bit to 130 depending on wind with my barn door shield.
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post #9 of 9 (permalink) Old 04-20-2019, 10:23 PM
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To me, much more useable range in the gears with the 13 final in an 18. And can take 4th very nicely to115 mph., but 5th seems to mope a bit to 130 depending on wind with my barn door shield.
I want one for my bike I believe with the extra power it will get me where I want to go and as fast as I want to go
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https://www.youtube.com/watch?v=1HTl...2&index=1&t=0s
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