Vanguard 23 - Throttle set screw?

ezgojohny · 03-25-2014, 07:28 PM

I got my new 23 from CPP with the extra goodies. My brother's Honda Vtwin has a throttle set screw. He can actually dial exactly where he wants to set the rpms without using the rear end governor. Is there a way to add a throttle set screw on the vanguard? Tom says to not run the motor over 5500. I don't want to damage the motor. I would like to set a throttle screw right at 5500 if possible. You guys have any experience with this? Thanks

Also, what RPMs do you guys turn your 23s?

1989Marathon · 03-25-2014, 07:34 PM

Adding a screw to the throttle will only limit the rpm for a certain load condition. If you set it to limit to 5500 under a load, it will be able to over-rev when the load is diminished, or going downhill. Does the motor have a governor on it now?

ezgojohny · 03-25-2014, 08:11 PM

I didn't think the motor came with a governor. I ordered it from Tom at CPP with rev kit and pro cam if that tells you any more.

1989Marathon · 03-25-2014, 08:15 PM

The only way to truly limit the max rpm is with a governor. If automatically adjusts to keep the rpms limited. You could install a screw to limit the rpms under no-load conditions, but drivability would be poor under load. If the load was the same all the ime, it wouldn't be an issue.

ezgojohny · 03-25-2014, 08:18 PM

I just want to make sure i don't hurt the motor. I like the performance without the governor hooked up. What RPMs are people running without hurting these motors. And, will the motor run high enough rpms to do damage with a load?

ezgojohny · 03-25-2014, 08:20 PM

Also, thanks for your help.

1989Marathon · 03-25-2014, 08:23 PM

Do you know if you have the larger billet pushrods?

I've got a slightly modified 16hp Vanguard, and I have had it to 7000rpm many times.

Keep the oil changed, the valves adjusted properly, and you'll be fine. It's a very reliable motor.

If you don't have one, get yourself a tach.

ezgojohny · 03-25-2014, 08:25 PM

I am not sure about the push rods. But I am glad to hear that you have had yours that high without problems. I really don't plan on running it that hard, but I just wanted to make sure that if i went over 5500, the motor wouldn't grenade on me.

1989Marathon · 03-25-2014, 08:27 PM

Have you seen my avatar pic? If that doesn't grenade this motor, I don't know what will.

ezgojohny · 03-25-2014, 08:27 PM

I do have a cheap tiny tach knock off. Only thing is, it has about a 1 second delay.

03-25-2014, 07:28 PM	#1
ezgojohny Not Yet Wild Join Date: Feb 2013 Posts: 70	Vanguard 23 - Throttle set screw? I got my new 23 from CPP with the extra goodies. My brother's Honda Vtwin has a throttle set screw. He can actually dial exactly where he wants to set the rpms without using the rear end governor. Is there a way to add a throttle set screw on the vanguard? Tom says to not run the motor over 5500. I don't want to damage the motor. I would like to set a throttle screw right at 5500 if possible. You guys have any experience with this? Thanks Also, what RPMs do you guys turn your 23s?
ezgojohny Not Yet Wild Join Date: Feb 2013 Posts: 70

03-25-2014, 07:34 PM	#2
1989Marathon Gone Wild Join Date: Oct 2010 Posts: 6,730	Re: Vanguard 23 - Throttle set screw? Adding a screw to the throttle will only limit the rpm for a certain load condition. If you set it to limit to 5500 under a load, it will be able to over-rev when the load is diminished, or going downhill. Does the motor have a governor on it now?
1989Marathon Gone Wild Join Date: Oct 2010 Posts: 6,730

03-25-2014, 08:11 PM	#3
ezgojohny Not Yet Wild Join Date: Feb 2013 Posts: 70	Re: Vanguard 23 - Throttle set screw? I didn't think the motor came with a governor. I ordered it from Tom at CPP with rev kit and pro cam if that tells you any more.
ezgojohny Not Yet Wild Join Date: Feb 2013 Posts: 70

03-25-2014, 08:15 PM	#4
1989Marathon Gone Wild Join Date: Oct 2010 Posts: 6,730	Re: Vanguard 23 - Throttle set screw? The only way to truly limit the max rpm is with a governor. If automatically adjusts to keep the rpms limited. You could install a screw to limit the rpms under no-load conditions, but drivability would be poor under load. If the load was the same all the ime, it wouldn't be an issue.
1989Marathon Gone Wild Join Date: Oct 2010 Posts: 6,730

03-25-2014, 08:18 PM	#5
ezgojohny Not Yet Wild Join Date: Feb 2013 Posts: 70	Re: Vanguard 23 - Throttle set screw? I just want to make sure i don't hurt the motor. I like the performance without the governor hooked up. What RPMs are people running without hurting these motors. And, will the motor run high enough rpms to do damage with a load?
ezgojohny Not Yet Wild Join Date: Feb 2013 Posts: 70

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03-25-2014, 08:20 PM	#6
ezgojohny Not Yet Wild Join Date: Feb 2013 Posts: 70	Re: Vanguard 23 - Throttle set screw? Also, thanks for your help.
ezgojohny Not Yet Wild Join Date: Feb 2013 Posts: 70

03-25-2014, 08:23 PM	#7
1989Marathon Gone Wild Join Date: Oct 2010 Posts: 6,730	Re: Vanguard 23 - Throttle set screw? Do you know if you have the larger billet pushrods? I've got a slightly modified 16hp Vanguard, and I have had it to 7000rpm many times. Keep the oil changed, the valves adjusted properly, and you'll be fine. It's a very reliable motor. If you don't have one, get yourself a tach.
1989Marathon Gone Wild Join Date: Oct 2010 Posts: 6,730

03-25-2014, 08:25 PM	#8
ezgojohny Not Yet Wild Join Date: Feb 2013 Posts: 70	Re: Vanguard 23 - Throttle set screw? I am not sure about the push rods. But I am glad to hear that you have had yours that high without problems. I really don't plan on running it that hard, but I just wanted to make sure that if i went over 5500, the motor wouldn't grenade on me.
ezgojohny Not Yet Wild Join Date: Feb 2013 Posts: 70

03-25-2014, 08:27 PM	#9
1989Marathon Gone Wild Join Date: Oct 2010 Posts: 6,730	Re: Vanguard 23 - Throttle set screw? Have you seen my avatar pic? If that doesn't grenade this motor, I don't know what will.
1989Marathon Gone Wild Join Date: Oct 2010 Posts: 6,730

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