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 Dr. Pulley 24 or 26 grams?

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Dr. Pulley 24 or 26 grams? Empty
PostSubject: Dr. Pulley 24 or 26 grams?   Dr. Pulley 24 or 26 grams? I_icon_minitimeSat Apr 27, 2019 10:59 am

I've read every word I can find on this forum about Dr. Pulley sliders. I'm ready to buy but not quite sure yet whether I want 24 or 26 grams.

Does anyone have experience/comparison with both?

Not interested in lighter, heavier or any combination thereof.

Thanks!

Mike
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PostSubject: Re: Dr. Pulley 24 or 26 grams?   Dr. Pulley 24 or 26 grams? I_icon_minitimeSat Apr 27, 2019 12:23 pm

Why not just leave it stock? The way it came from Honda worked for me for over 90,000 miles with 2 new SilverWings.
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PostSubject: Re: Dr. Pulley 24 or 26 grams?   Dr. Pulley 24 or 26 grams? I_icon_minitimeSat Apr 27, 2019 12:34 pm

I like the idea of a quicker bike, especially when I am regularly tempted to sell my beloved Wing for a BMW 650 GT, which is as close as you get to a motorcycle experience with the benefits of a scooter.

I'm also buying what Dr. Pulley is selling ...

"Dr. Pulley Sliding Roller Weights slide up-and-down the ramp to change the gear ratio. This unique sliding movement (not rolling) provides exclusive advantages to increase CVT performance. Dr. Pulley's U.S. Patent Number 7,276,004 states that their sliding roller weights eliminate abnormal wear, prevent reduction gear ratio deterioration, prolong the useful life of the transmission, and have the availability to adjust reduction gear ratios as well as driving performance."

For fifty bucks and half an hour's work, what's not to love?
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PostSubject: Re: Dr. Pulley 24 or 26 grams?   Dr. Pulley 24 or 26 grams? I_icon_minitimeSun Apr 28, 2019 1:11 pm

Lots of info on this forum regarding rollers and sliders. I changed to 28g sliders (DR of course) because I was happy with the stock gearing for MY style of riding. Did not notice much difference except for about 35 MPH I had a vibration spot on the rollers, none before or after that point. Switching to sliders did help that and vibration is less now.
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PostSubject: Re: Dr. Pulley 24 or 26 grams?   Dr. Pulley 24 or 26 grams? I_icon_minitimeSun Apr 28, 2019 1:45 pm

Some years ago a member called "BigBird" did a comparison of the Dr Pulley different weights ,it must be in Archives somewhere.
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Easyrider
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PostSubject: Re: Dr. Pulley 24 or 26 grams?   Dr. Pulley 24 or 26 grams? I_icon_minitimeSun Apr 28, 2019 3:04 pm

For my 2002 Swing I had bad vibration upon starting from a start. Installed 26g sliders and it seemed to improve the vibration. Wanting a faster start and less vibration I installed 24g sliders and really liked it so much that when I purchased my 2013 Swing, I replaced the rollers with the 24g sliders. For my 2004 Swing/trike in Idaho, I purchased a set of 22g sliders. The original rollers was showing flat spots. I may try them on my 2013 Swing for fun.
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PostSubject: Re: Dr. Pulley 24 or 26 grams?   Dr. Pulley 24 or 26 grams? I_icon_minitimeSun Apr 28, 2019 5:01 pm

"Installed 26g sliders and it seemed to improve the vibration. Wanting a faster start and less vibration I installed 24g sliders and really liked it so much that when I purchased my 2013 Swing, I replaced the rollers with the 24g sliders."

That's pretty much the exact two sentences I was looking for, thank you! 24 grams it is.

A faster start and less vibration sound perfect, and hopefully I'll also drop some RPM's around 50 to 60 mph (I rarely go over 65 mph).

Interesting that you have a Wing on Oahu. I lived there for a couple years as a kid (Dad was a lifer in the Navy). Mom always said it was the best weather she ever experienced, but when they went for a Sunday drive, it was always the same drive, 100 miles around the island.

Then again, in South Florida it's only 10+ miles from the ocean to the Everglades. I envy the riders who have twisties and country roads. I have to ride hard for 8 hours to get to mountains. But I'm sure you understand: if you want to go for a relaxing cruise, it's hard to beat an ocean breeze and a view of the sea.
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PostSubject: Re: Dr. Pulley 24 or 26 grams?   Dr. Pulley 24 or 26 grams? I_icon_minitimeMon Apr 29, 2019 12:27 pm

26gm DR Sliders installed yesterday with a new belt (old one only 4100 miles, but of a 2007 vintage).

First impressions: no faster off the line, but the vibrations and shuddering are gone. At anything above 20 mph, it accelerates much faster than my fiancee's completely stock 2007.
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Easyrider
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PostSubject: Re: Dr. Pulley 24 or 26 grams?   Dr. Pulley 24 or 26 grams? I_icon_minitimeTue Apr 30, 2019 5:31 am

Yeah Mike,
A hundred miles on Oahu gets you back to the starting point. I do have a 2004 Swing/trike in Idaho that allowed my wife and I to travel through Montana, and Idaho. The trip was about 350 miles. Wife didn't like the cold. For people from Hawaii, 40°F is very cold. And she was on the back yet. I was better in handling the cold. Next time we ride in Idaho, it will be in August and not late September.
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PostSubject: Re: Dr. Pulley 24 or 26 grams?   Dr. Pulley 24 or 26 grams? I_icon_minitimeThu May 02, 2019 1:17 pm

Not sure how the roller weight works but i would have thought a heavier roller would have a lower rpm for the speed but reduced acceleration and a lighter roller the opposite a increased acceleration but a lower speed for the same rpm.

I would like to drop the rpm which is no about 5K revs for 60-65mph , new belt and rear tire which has helped but still like to drop the revs for cruising.

No sign of slippage from the stock rollers at 32K so not changed them yet .
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PostSubject: Re: Dr. Pulley 24 or 26 grams?   Dr. Pulley 24 or 26 grams? I_icon_minitimeThu May 02, 2019 8:04 pm

Many choose 24-26G sliders for better acceleration. Not much faster 0-20 but better after that.
Sliders will only lower revs. about 500 rpm at 65 mph. Slight increase in MPG for most.

Search sliders many posts and good info. on choices.
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PostSubject: Re: Dr. Pulley 24 or 26 grams?   Dr. Pulley 24 or 26 grams? I_icon_minitimeThu May 02, 2019 8:38 pm

cello33 wrote:
Not sure how the roller weight works but i would have thought a heavier roller would have a lower rpm for the speed but reduced acceleration and a lighter roller the opposite a increased acceleration but a lower speed for the same rpm.

I would like to drop the rpm which is no about 5K revs for 60-65mph , new belt and rear tire which has helped but still like to drop the revs for cruising.

No sign of slippage from the stock rollers at 32K so not changed them yet .

You are correct in your thoughs. Heavier variator weights will reduce cruising RPMs as well as reduce acceleration and noticeably increase fuel efficiency. Try 32-35 gm weights, but don't expect to attempt passing any pokey old geezers ahead of you. BTDT

Meanwhile the better choice would be to switch to 26 gm Dr Pulley sliders or 24 gm if you like a sportier feel.

IIRC 35 gm weights were supplied in Asian & JDM Silverwings I know I got them from somewhere several years ago. They could have also been Euro spec too.

Tim
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PostSubject: Re: Dr. Pulley 24 or 26 grams?   Dr. Pulley 24 or 26 grams? I_icon_minitimeThu May 02, 2019 11:56 pm

I feel that it is the shape of the sliders that forces the drive pulleys closer together than the rollers can, causing the belt to rise further up the drive pulleys giving you that 500 RPM drop at about 60 MPH. 24g and 26g sliders gave me the same drop in RPM. Just more sportier with the 24g. The lighter sliders lowers the torque curve giving you a faster start from stop. Eventually the sliders will slide all the way out. The sliders are the same shape, just the weight in the middle is different.
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PostSubject: Re: Dr. Pulley 24 or 26 grams?   Dr. Pulley 24 or 26 grams? I_icon_minitimeFri May 03, 2019 2:09 pm

I'm asking maybe a stupid question now, but if I am fitting these:

https://drpulley.shopnix.de/Dr-Pulley-SR-TechPulley-FR-sliding-rolls/Size-28x20mm-8x/Dr-Pulley-Sliding-roll-SR2820/8-26::572.html

Do I have to have these also:

https://drpulley.shopnix.de/Dr-Pulley-sliding-pieces-SP/Dr-Pulley-sliding-pieces-SP2820-W::38.html?MODsid=distmdeuq55eea4bpi67bob8q7

Thank you
Kev
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PostSubject: Re: Dr. Pulley 24 or 26 grams?   Dr. Pulley 24 or 26 grams? I_icon_minitimeFri May 03, 2019 3:39 pm

No.

But the OEM Slide Pieces do wear and cause slop in the variator movement, some noise and the possibility that a slider might rotate in the variator. Though that's not a catastrophe. The Dr Pulley sliders just aren't going to wear.

So, the bottom line is; it's not imperative to replace the slide pieces, but if you expect to keep your Silverwing "forever" then you might want to consider upgrading to Dr P sliding pieces.
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PostSubject: Re: Dr. Pulley 24 or 26 grams?   Dr. Pulley 24 or 26 grams? I_icon_minitimeFri May 03, 2019 3:43 pm

Great question. I'm awaiting delivery of 24-gram Dr. Pulley sliders and would love to know, as well.

Looks to me like the pieces in question are the "guide pieces" shown at 6:36 of this video (which is excellent) ... https://www.youtube.com/watch?v=dq4Y2rEJdSw

Is that correct?

Admin Edit: Yes
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PostSubject: Re: Dr. Pulley 24 or 26 grams?   Dr. Pulley 24 or 26 grams? I_icon_minitimeFri May 03, 2019 3:53 pm

Many thanks Tim for the explanation, appreciate it Wink
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Delray
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PostSubject: Re: Dr. Pulley 24 or 26 grams?   Dr. Pulley 24 or 26 grams? I_icon_minitimeSat May 04, 2019 8:32 pm

"Looks to me like the pieces in question are the "guide pieces" shown at 6:36 of this video (which is excellent) ... https://www.youtube.com/watch?v=dq4Y2rEJdSw

Is that correct?

Admin Edit: Yes"


Thank you!

I ordered a set. Might as well do it right for $19.99 more.
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Dr. Pulley 24 or 26 grams? Empty
PostSubject: Re: Dr. Pulley 24 or 26 grams?   Dr. Pulley 24 or 26 grams? I_icon_minitimeSat May 04, 2019 10:00 pm

I installed the 22 gr sliders once and it was running at too high of rpm's for me at about 50 mph. The performance was great but the interstate wasn't too good for me for the rpm's. I later installed the 28gr and really liked them. Good luck with the 24g. I hear many people like them.
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PostSubject: Re: Dr. Pulley 24 or 26 grams?   Dr. Pulley 24 or 26 grams? I_icon_minitimeSun May 05, 2019 8:49 am

"I installed the 22 gr sliders once and it was running at too high of rpm's for me at about 50 mph."

Thanks, that's helpful. If I like 24 grams, I'll know not to be tempted by the Siren's call of 22 grams. I definitely don't want higher rpm's at speed.

One of the things I loved about my '13 Burgman 650 was winding up the SECVT with that fantastic jet turbine sound to a sweet spot of exactly 50 mph and 3,000 rpm's.

Below is a photo of that beauty, next to my '03 Wing.

Keeping both was my attempt to enjoy the best of both worlds: The technology and big ride of the Burgman with the ease and dependability of the Wing. In the end, I found the B650 too lumbering for low speeds and pushing. It was also financially foreboding; Suzuki's "lifetime" belt will fail eventually, demanding a $4,000 repair or junking the bike. The old Wing was a Gulf coast bike that had lived near salt water for too long.

Selling both for a late model Wing -- with some strategic add-ons -- ticks all the boxes, as the UK riders are wont to say.

url=https://servimg.com/view/19949999/25]Dr. Pulley 24 or 26 grams? Two_bi11[/url]
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PostSubject: Re: Dr. Pulley 24 or 26 grams?   Dr. Pulley 24 or 26 grams? I_icon_minitimeMon May 06, 2019 8:46 am

I put 26gm rollers in one of my Silverwings and liked the change. Kinda like increasing the pitch on an aircraft propeller very slight less initial acceleration but more speed at a given rpm on the highway.
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PostSubject: Re: Dr. Pulley 24 or 26 grams?   Dr. Pulley 24 or 26 grams? I_icon_minitimeSun May 19, 2019 3:07 pm

Follow up: I installed Dr. Pulley 24 gram slider weights and variator guides. There was an immediate improvement in throttle response. There's more power when you twist, both from a start and especially in the midrange. RPM's are lower from 50 to 60 mph. I would definitely recommend this enhancement.

I believe I recall Tim/CosmicJumper saying he had ridden a set for 50,000 miles with no real wear on the weights. That's another benefit.
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