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Author Topic: Experia with a belt drive....an experiment.  (Read 87893 times)

smithy

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Re: Experia with a belt drive....an experiment.
« Reply #90 on: November 17, 2025, 02:35:13 AM »

Your Experia has 20bhp more than everyone else's then  ;D ... you've got a mere 80bhp to play with I think so you're doing even better than you realise.

Cas :)

Umm well not really...they have ~60kw (~80hp) "continuous" and 75kw (~100hp) "peak" available for short squirts when required.

Smithy.
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When I die, I wan't to go peacefully in my sleep like my Grandfather....not screaming like the passengers in his car.

ESokoloff

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Re: Experia with a belt drive....an experiment.
« Reply #91 on: November 17, 2025, 06:05:26 AM »

Have you had the other to ride in the wet yet?
Some say that the Zero’s belt when wet reminds them of a Water Buffalo’s call.
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Eric
2016 Zero DSR

smithy

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Re: Experia with a belt drive....an experiment.
« Reply #92 on: November 17, 2025, 08:57:39 AM »

Have you had the other to ride in the wet yet?
Some say that the Zero’s belt when wet reminds them of a Water Buffalo’s call.

No, I haven't ridden with the belt drive in proper rain yet...only when the road has been a bit damp. Will be interesting when it does eventually happen I guess..!

Smithy.
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When I die, I wan't to go peacefully in my sleep like my Grandfather....not screaming like the passengers in his car.

smithy

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Re: Experia with a belt drive....an experiment.
« Reply #93 on: December 10, 2025, 01:19:38 AM »

Hi All,

Have just passed 5000km+ with the belt/pulley system....the setup was fitted when the bike had 40053km on the ODO, it now has 45065km, everything is still working fine and no issues to speak of, belt is holding up well with no signs of excessive wear or cracking/splitting. Luckily I've had no stone damage either. I've been riding it normally as I did when the chain/sprockets were fitted, most of my riding is a daily ~50km each way commute to work and back, I also do ~200km Saturday/weekend rides with local riding friends, weather permitting.

I haven't noticed any change in performance or associated issues. It's also a pleasure to not have to clean, lube & adjust the chain every 500km or so and clean all the chain lube crap etc of the back wheel/swingarm and back of the bike every time I wash it...now it's just a quick snow-foam all over, wipe over with a sponge and hose off, job done. ;D I have adjusted the belt tension once since fitting, I asked one of the guys on the BMW F800GT forum what tension they use and I have adjusted mine to be the same, I was running mine a little "tighter" than his recomended tension but TBH I haven't noticed any real difference. The difference was only a kg or so per 10mm of belt travel.

I'm planning on making another belt/pulley kit in the not too distant future, it will be essentially the same setup but hopefully be a lot more "precise" than the "hand made" setup I have on at the moment, possibly a month or two maybe...just need to get some parts ordered, new rear pulley, shoulder bolts... and make the front pulley, spacers etc....will get a new belt too. I still have a new spare belt in the shed just in case. I'll take some precise measurements of the front pulley when it's done and see about getting one CNC made locally....this will make it so much easier...making the front pulley at present is very labor intensive and time consuming using the equipment I currently have at my disposal.

I'll fit the new system to my bike and I'm thinking of possibly asking one of the nearby Aussie Experia owners if he would allow me to fit the old setup to his bike and run the system to see what he thinks and if it's a viable alternative to chain & sprockets. Time will tell. 

So far so good guys.

Smithy.
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When I die, I wan't to go peacefully in my sleep like my Grandfather....not screaming like the passengers in his car.

Specter

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Re: Experia with a belt drive....an experiment.
« Reply #94 on: December 10, 2025, 06:04:22 AM »

im in the good ole US of A, ill pay shipping if you want me to try on my bike.  ill even take it out on the track and abuse it properly  ;D to let you know how it really holds up. lmk 

Aaron
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smithy

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Re: Experia with a belt drive....an experiment.
« Reply #95 on: December 11, 2025, 12:52:36 AM »

im in the good ole US of A, ill pay shipping if you want me to try on my bike.  ill even take it out on the track and abuse it properly  ;D to let you know how it really holds up. lmk 

Aaron

Really..?? I might take you up on that. I might see if I can pump out a few kits, but might take a while.

Of late I've been chasing a few riding friends along some twisty stop/start corner and variable winding roads, the Experia seems to hold it's own and performs well....hard acceleration and deceleration doesn't seem to bother the belt. At our local motorcycle gathering place on Saturday mornings I watch some of the Harleys come in and often check what belt they have fitted..... I'm amazed that some of them have a piddly little 1" belt and it can handle all the torque and 300kg+ weight of some of them, many of them 2-up as well....

Smithy.
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When I die, I wan't to go peacefully in my sleep like my Grandfather....not screaming like the passengers in his car.

Specter

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Re: Experia with a belt drive....an experiment.
« Reply #96 on: December 11, 2025, 02:07:30 AM »

im dead serious,  well hopefully not the dead part :D
ill put the proper tires on the experia and take her out on the track with the belt drive.  i really am intrigued at what may be possible with it, how far i can push it with the current, which seem a bit inadequate shocks but might work somewhat.

i am .. aggressive with my bikes to begin with i got plenty of room out here to really open them up, so can give it kind of a torture test, worse case look as well.

this sounds like it could be a ton of fun and absolutely something that could be a game changer for the experia brand.

Aaron

take your time but if you do decide, id love to do so, ill strap a 360 on it and let you do whatever you want with the raw video, i can even get some of the pro racers to try it too just for s and g's if you want.
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smithy

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Re: Experia with a belt drive....an experiment.
« Reply #97 on: December 11, 2025, 08:34:59 AM »

im dead serious,  well hopefully not the dead part :D
ill put the proper tires on the experia and take her out on the track with the belt drive.  i really am intrigued at what may be possible with it, how far i can push it with the current, which seem a bit inadequate shocks but might work somewhat.

i am .. aggressive with my bikes to begin with i got plenty of room out here to really open them up, so can give it kind of a torture test, worse case look as well.

this sounds like it could be a ton of fun and absolutely something that could be a game changer for the experia brand.

Aaron

take your time but if you do decide, id love to do so, ill strap a 360 on it and let you do whatever you want with the raw video, i can even get some of the pro racers to try it too just for s and g's if you want.

It's not like the Experia has a ton of power to play with, 75kw (~100hp) maximum....but still a goodly amount of torque.

Smithy.
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When I die, I wan't to go peacefully in my sleep like my Grandfather....not screaming like the passengers in his car.

Specter

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Re: Experia with a belt drive....an experiment.
« Reply #98 on: December 11, 2025, 07:34:08 PM »

that is true but you still have to be mindful, and not always do we get on the street and peg the throttle saying go go go... so it'll put that torque toits proper limits.  shit, lets arrange this for maybe march/april or better yet you are aussie right?  good, then hot miserable heat, everything trying to eat you is the norm for you too, come to florida in th summer spend a week here my guest, ill take you fishing, and some of the mud holes and other hillbilly redneck stuff we do for entertainment if you so desire :D

Aaron
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Richard230

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Re: Experia with a belt drive....an experiment.
« Reply #99 on: December 11, 2025, 08:07:12 PM »

that is true but you still have to be mindful, and not always do we get on the street and peg the throttle saying go go go... so it'll put that torque toits proper limits.  shit, lets arrange this for maybe march/april or better yet you are aussie right?  good, then hot miserable heat, everything trying to eat you is the norm for you too, come to florida in th summer spend a week here my guest, ill take you fishing, and some of the mud holes and other hillbilly redneck stuff we do for entertainment if you so desire :D

Aaron

Like gator wrestling?  ;)
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Richard's motorcycle collection:  2018 16.6 kWh Zero S, 2002 Yamaha FZ1 (FZS1000N) and a 1978 Honda Kick 'N Go Senior.

Specter

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Re: Experia with a belt drive....an experiment.
« Reply #100 on: December 11, 2025, 08:21:05 PM »

ahhh, umm sure if you want but if you see flashlights and a badge... run  ;D
the game warden gets a little bent when you wrassle with them  lil ole lizzies.

Aaron
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SilentPea

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Re: Experia with a belt drive....an experiment.
« Reply #101 on: December 11, 2025, 08:41:55 PM »

Put me on the list if you end up sending a couple kits to the USA. Happy to chuck some USD towards group buy/shipping.

Already got the experia track days out of my system, but plenty of commute miles planned.
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Specter

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Re: Experia with a belt drive....an experiment.
« Reply #102 on: December 11, 2025, 09:22:48 PM »

you know, with that being said,  shipping will be a butthumper.
small packages usps about 110 dollars, but i do have a shipper i can use...
worse case, you bulk ship to me, everything, then i repack it here and send it out, that way shipping is maybe 25 dollars ups  via 115 dollars each person.  i can slap it on my business account and get a real good deal thru ups.

just saying,  if you did decide to make this a side gig smithy i could work with you on it for stateside shipping.   but honestly how many experia's are out there who'd be interested, that's the kicker there. hmm

aaron
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smithy

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Re: Experia with a belt drive....an experiment.
« Reply #103 on: January 06, 2026, 01:54:35 AM »

Hi All,

Have just passed 6500km on the way to work this morning on the belt drive setup so far...nothing to really report other than it's still working fine, no strange wear or noises to speak of other than tiny squeaks from the belt when riding very slowly in the wet, this goes away when dry though. Belt tension hasn't changed and seems pretty consistant, I have only adjusted it once since fitting and it has been trouble free. I think once the belt has "broken-in" it then stays pretty consistant as far as tension goes. I'm using 55hz as tension requirement.

I'm currently in the "slow" process of making up a second belt drive set for one of the local Aussie Experia riders, he only lives ~25km from me...so pretty close, we'll be getting together soon to discuss if, how & when etc..

I've also been able to find a suitable 24T pulley to fit the front...which is actually an aluminium drag racing blower pulley....will need significant modification to make it fit but should be doable. This will have the final drive ratio at 24/80 or 3.33:1 as opposed to the stock ratio of 15/52 or 3.46:1.

I'm still toying with the idea of using a Gates "Carbon Drive" Moto X9 belt and suitable pulleys, but this may be a long way off as I can't even get Gates Australia to reply to my emails.

There's a guy who has done this belt conversion to a KTM 790 stunt bike using a Gates carbon drive "Centre Track" Moto X9 belt...seems to work fine for him and he gives it a pretty hard time.   



Smithy. 
« Last Edit: January 06, 2026, 02:12:55 AM by smithy »
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When I die, I wan't to go peacefully in my sleep like my Grandfather....not screaming like the passengers in his car.

Grauteufel

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Re: Experia with a belt drive....an experiment.
« Reply #104 on: January 06, 2026, 03:59:07 AM »

Yeah, I’ve tried to contact gates a number of times, I even used my work email to have a bit more swing, but got zero responses as well. I thought of just buying a belt and using a 3d scanner to get the tooth profile/dimensions, but all the scanners I have access to don’t have sufficient resolution.
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