Search results matching tag 'Belt'

Re: Drive Belt General Info

AlanH — Fri, 28 Nov 2008 05:00:00 GMT

[quote user="Arizona Warrior"]

I tracked this down with a search based on posts by members and by going back thru popular mods. It seemed good to start putting belt brand and part# information in one spot. I'm starting to look for replacement belts just to have one on-hand for my '03 since its bound to snap one day!

[/quote]

Lots of very specific belt information on this site from established members. When and if you purchase a belt confirm from your vendor of choice that it is Aramid Fibers & Polyurethane ribbing

As you know, cross referenced, interchanged & alternate part numbers assigned to the OEM P/N’s are typical to the cycle & auto industry and will not guarantee the quality of the substituted part.

Carlisle Panther 1-1/2” wide - 14mm pitch - 130 teeth
Phat Performance sells this as a Dayco Panther Belt under Drag Specialty P/N DS-197004, 40017-94 1.5" x 130T, 99-03 etc

Belt Drives Ltd (BDL) - Mfg by Gates: 1-1/2" wide - 14mm pitch - 130 teeth
Phat Performance sells this as a Gates HTD Poly Chain Rear Drive Belt under Part GATES-HTD 42616
The belt was tagged w/ Drag Specialty P/N DS-197099, Vendor # PC-130 & Description: 130T 14mm Belt #40017-94 as shown below

The following belt description is from the Phat Performance web page

14mm Gates HTD® "Poly Chain®" Belts
All HTD® Poly Chain® belts have the distinctive exterior ribbing and are manufactured in the USA by the Gates Rubber Company. Poly Chain® belts are Kevlar® reinforced and feature rugged construction with aramid fibers surrounded by polyurethane.

Re: Need quick help please - Is the Gates Poly Chain belt unidirectional?!?

AlanH — Fri, 08 Aug 2008 04:00:00 GMT

[quote user="mdfdwarrior"]

I did however notice that the belt traveled a little more to the left as I tightened down the axle nut....whether a little belt travel (perhaps 1/8"?) when the axle nut is torqued down is acceptable/normal I do not know....It's the same axle nut, same spacer, same everything as I used with the oem belt so at least that part is consistent.... [/quote]IMO, this is normal unless you're using a Come Along to hold the wheel tight toward the swing arm pivot.

When i adjust belt tension my axle nut is quite snug and i make a minor adjustment with the take-up screws. If i over adjust i use a plastic mallet against the axle RH or LH hex and drive the axle fwd! With this method i find that the torquing has little affect to the aligment.

Proper inspection for a bent swing arm bushing requires a flat machinist plate, ground straight edge or accurate level. I happen to have a 3/4" thk float glass coffee table with precision ground sides that is great for this purpose.

Re: Need quick help please - Is the Gates Poly Chain belt unidirectional?!?

AlanH — Fri, 08 Aug 2008 04:00:00 GMT

[quote user="JPWARRIOR"]

What's puzzling to me Alan is the belt tracked in the center and now is to the left? My belt was twisted into a double loop when I got it. Was either of you guys belts this way? I coulda said "yous guys"

[/quote]My belt was looped too that's why i included the url for Proper Belt Handling by BDL

Well if Thom is a glutton for punishment he can try turning the belt around as it only took him 25 mins to R&R the belt

If the belt changes direction it's the belt!

My .02 follows based on my personal observations and understanding of the assembly:

The other component that could affect the alignment is the swing arm hollow bushing/sleeve that the swing arm pivots on when the swing arm bolt is torqued. If this part was bent it could cause a misalignment of the sprocket or possibly the procedure of how Thom tightened the bolts. I don't know if the sleeve was rotated during the R&R of the belt, just a thought

When i've replaced my belt and removed my swing arm i always pay attention to only snugging the middle shaft housing bolts and spacer and torque the swing arm bolt 1st so that it squares-off the frame. I then follow up with tightening the 4-bolts for the middle shaft housing since a couple of them are slotted by design.

Its possible that Thom has created a misalignment with those bolts because of the sequence of tightening

There is nothing that i have ever read or heard to support my methodology.....that's all i can think of

Re: Need quick help please - Is the Gates Poly Chain belt unidirectional?!?

AlanH — Fri, 08 Aug 2008 04:00:00 GMT

[quote user="mdfdwarrior"]

[quote user="Churchkey"]

My polychain had a twist (memory) in it when new & did what you are refering to. Try riding it for a couple of hundred miles it should then behave normally.

[/quote]

In your opinion of my first pic showing the belt on the left edge of the front pulley, is that acceptabe/normal or is it too close to the edge? I'm worried about putting excessive load (and perhaps cause even more damage to the primary drive assembly front pulley, spline, etc) with the belt that far to the left edge of the front puley...

Am I obsessing or correct to worry?[/quote]Another view of the belt drive and not apples to apples!

The frt pulley & middle shaft is the final drive and is designed for the overhung load.

Enclosed are some very recent photos i took of my 33T / 70T OEM Road* pulleys using a 1-1/2" Gates PC130 Polychain Belt. Notice how the belt tracks to the left side of the frt pulley just inside the outer flange ring. I have approx 14,000 miles on this mod now and no problems. My belt favors the left outer flange of the rear pulley. No noises, no nada

The Gates belt came from Phat Performance and was tagged with a Drag Specialties PN in a fiber carton that could have contributed to the belt having a twist/set as described by Churchkey. I adjusted the belt to the tight side out of the gate and would recommend the same here.

The stock 32T & 1-1/8" belt always ran on the left side of the frt pulley just inside the outer flange ring. The inside still has the factory paint. Considering this and looking at your photo above the belt appears to be 1/4" away from the outer flange ring which is normal with the wider 31T Road* pulley.

Enclosing a couple of url's for a closer look at my set-up if interested.

Once again, the middle shaft can handle the load as long as the pulley is tight.

Belt Handling: http://www.bikernet.com/garage/belthandling.asp

http://farm4.static.flickr.com/3044/2743721699_582d387d98_o.jpg

http://farm4.static.flickr.com/3017/2698987179_8374b81c0c_o.jpg

Re: Need quick help please - Is the Gates Poly Chain belt unidirectional?!?

AlanH — Fri, 08 Aug 2008 04:00:00 GMT

Not that i have a solution but just some thoughts.

What's the condition of your frt aluminum pulley teeth in the drive & coast directions? Any excessive erosion as asked earlier.

Was your rear axle turned 180 deg or just lossened? If bent that would have an affect.

Have you chk'd the runout w/ an indicator of the frt and rear pulleys. Is the frt pulley bent?

With the aftermarket forged whl & cush hub what torque is used oin the rear wheel axle?

The 1-1/8 belt walking across the entire frt wider pulley flange to flange is not correct in my book.

Re: Need quick help please - Is the Gates Poly Chain belt unidirectional?!?

AlanH — Fri, 08 Aug 2008 04:00:00 GMT

[quote user="mdfdwarrior"]

Thanx Alan! I never took the rear wheel off and thus never took the rear axle off. I inspected it when I installed the phat rear earlier this year at the beginning of the season and it seemed fine. Do you suspect the rear axle has something to do w/ the belt breaking or it tracking to the left?

Is it normal to see the belt travel all the way to the right when I roll the wheel in reverse, and then travel left to where it is in the pic when I roll the wheel forward?!?

If you are referring to the rear pulley it's not uncommon. Remember, the belt is new and might have taken a set by being in a tight radius in the package! Proper torquing of the rear whl to preload the brg's will affect the geometry of the pulley. You can indicate or sight the outer pulley edge with a plastic pointer to see if it's running true. If you're confident with the belt adjustment take it for a spin.

[/quote]

Re: Need quick help please - Is the Gates Poly Chain belt unidirectional?!?

AlanH — Fri, 08 Aug 2008 04:00:00 GMT

If the belt has a set to it i would error to the tight side of the tolerance..... and i don't mean strung like a guitar string.

Pls don't ask me how much as all my belt adjustment is done by eye and feel.

When i R&R my rear whl i don't touch the belt adjust scrs. I loosen the appropriate pcs and pull my whl rearward with no weight on the whl, using the jack to get the whl in a neutral axis, and remove the RH adj plt 1st and then remove the axle enough to remove the LH adj plt. I go from R&R to R&R w/o touching my adj scr's. I mark the flat side of the axle bolt so that the axle is always in the same clocked position when it's assembled in the swing arm.

Next time you ride with a group of Warriors do a belt check and do the same at the Dealer... you'll be really surprised ... just take your surgical gloves and stethoscope so they think you are a Doctor of Motorcycles

Re: Need quick help please - Is the Gates Poly Chain belt unidirectional?!?

AlanH — Thu, 07 Aug 2008 04:00:00 GMT

mdfdwarrior ... simply put, NO! a new belt will run either way, no problema!

Once the belt has been put into service it becomes unidirectional and that's a fact

I install the lettering so that i can read it when i approach the bike from the left side as you did

You should have checked your rear axle while it was out to see if it's bent and also a thorough inspection of the frt aluminum pulley teeth for erosion!

JamesD .... put his belt on backward. I posted a photo in his topic post but he didn't listen oh well!!

Re: Drive Belt?

AlanH — Sun, 23 Mar 2008 04:00:00 GMT

[quote user="Crice"]

Does a new drive belt stretch at all. I just changed my rear pully to a 65 tooth. I was told to go with a 128 tooth drive belt. My problem is that I had to adjust the tire just past the last adjustment mark. The belt is tight but there is only an 1/8th of an inch more to go. I should have gotten a 126 tooth belt. If the belt wont stretch for awhile i will be ok. Im going to Deals Gap in April and dont want to spend my rideing time rippin the back of the bike apart.[/quote]

The DAYCO Panther Belt is not stabile and will stretch

The GATES-HTD Poly Chain Kevlar belt is stabile IMO

126T belt will move the wheel back approx 0.551” (2T x 14mm / 2)

Re: Broken belt issues

AlanH — Wed, 19 Mar 2008 04:00:00 GMT

How many teeth and what Mfg's front pulley are you using before and after the failures. A smaller frt pulley (32T stock) puts more stress on the belt and that's a fact Edited: Your gallery photos show a Baron pulley (teeth?)

I would agree that the Dayco Panther belt is a very poor quality rubber belt and a piece of $hit that is not suited for the Warrior.

The 1-1/2" wide Gates BDL-PC-130 is definitely stronger than the 1-1/8" counterpart PC-130-118 both being aramid fibers or Kevlar belts!

The GATES-HTD Poly Chain Kevlar belt : 42616 sold by Phats: BDL-PC-130 is being used by 2-members of the site very sucessfully under harsh drag racing conditions w/o failures on modified HP engines. Based on their gallery specs they are both using the Road* 32T Billet Front Pulley

http://rswarrior.com/photos/3youngns/default.aspx

http://rswarrior.com/photos/megawatt/default.aspx