New open belt noise: belt too tight?
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Joined: Mar 2010
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From: Poolville
That does seem very tight I don't remember mine being like that.. what was the part number of that kit you got from Ultima.? If your sure you got the right one then I would count the teeth on both the front pulley and clutch basket and then count the teeth of the belt and then call Ultima and ask them what should be on there.
Seasoned HDF Member
Joined: Mar 2010
Posts: 21,064
Likes: 7,591
From: Poolville
I just did a little research and surprisingly the Ultima 2" part#58-850 for softails and the 2-in part number 58-901 for Dyna's both use the same belt @ 140 tooth. But as far as I've always known the Dyna motor plate has a shorter center to center measurement from the engine sprocket shaft to the transmission input shaft center to center than a Softails does and then wondering is it possible then that you have one of the wrong clutch baskets out front pulley. Definitely need to call Ultima which is Jureh cycles. 877-681-0448
http://www.jirehcycles.com/
http://www.jirehcycles.com/
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Intermediate
Joined: Sep 2017
Posts: 36
Likes: 6
From: VietNam
I just did a little research and surprisingly the Ultima 2" part#58-850 for softails and the 2-in part number 58-901 for Dyna's both use the same belt @ 140 tooth. But as far as I've always known the Dyna motor plate has a shorter center to center measurement from the engine sprocket shaft to the transmission input shaft center to center than a Softails does and then wondering is it possible then that you have one of the wrong clutch baskets out front pulley. Definitely need to call Ultima which is Jureh cycles. 877-681-0448
http://www.jirehcycles.com/
http://www.jirehcycles.com/
But I cant stand for the noise. A guy from youtube suggest me to try the 140T belt (same teeth) from BDL (BDL-140-2) but I dont think it would help. Instead BDL-142-2.
Seasoned HDF Member
Joined: Mar 2010
Posts: 21,064
Likes: 7,591
From: Poolville
I just did a little more research, I downloaded their catalog and the dynas and the Softails both use of 45 tooth front pulley and 71 tooth rear pulley, however the baggers and FXR's use a 44 tooth front pulley and a 71 tooth rear pulley. I would call them back and see if you can order the 44 tooth which is part number 58-821. My next question would be are you absolutely sure you have a low rider and not an FXR? You can go to Tab performance website vin decoder to confirm what model bike you have..
https://www.tabperformance.com/harley-davidson-vin-reference-guide-s/224.htm?
srsltid=AfmBOor0xcq2YPAdFrNczxhP3Aup2KqAG1BycBdbOP 2LRTedykBmP3j5
One more thing count the teeth on your belt Make sure you confirm that you're supposed to have the right 140 belt
https://www.tabperformance.com/harley-davidson-vin-reference-guide-s/224.htm?
srsltid=AfmBOor0xcq2YPAdFrNczxhP3Aup2KqAG1BycBdbOP 2LRTedykBmP3j5
One more thing count the teeth on your belt Make sure you confirm that you're supposed to have the right 140 belt
Last edited by 98hotrodfatboy; Feb 4, 2025 at 04:36 AM.
Thread Starter
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Intermediate
Joined: Sep 2017
Posts: 36
Likes: 6
From: VietNam
I just did a little more research, I downloaded their catalog and the dynas and the Softails both use of 45 tooth front pulley and 71 tooth rear pulley, however the baggers and FXR's use a 44 tooth front pulley and a 71 tooth rear pulley. I would call them back and see if you can order the 44 tooth which is part number 58-821. My next question would be are you absolutely sure you have a low rider and not an FXR? You can go to Tab performance website vin decoder to confirm what model bike you have..
https://www.tabperformance.com/harley-davidson-vin-reference-guide-s/224.htm?
srsltid=AfmBOor0xcq2YPAdFrNczxhP3Aup2KqAG1BycBdbOP 2LRTedykBmP3j5
One more thing count the teeth on your belt Make sure you confirm that you're supposed to have the right 140 belt
https://www.tabperformance.com/harley-davidson-vin-reference-guide-s/224.htm?
srsltid=AfmBOor0xcq2YPAdFrNczxhP3Aup2KqAG1BycBdbOP 2LRTedykBmP3j5
One more thing count the teeth on your belt Make sure you confirm that you're supposed to have the right 140 belt
Will take it out & check the teeth on both the belt and the front pulley, thank you for your suggest.
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Intermediate
Joined: Sep 2017
Posts: 36
Likes: 6
From: VietNam
Update: After replace the ultima by the bdl 140-2, problem solved. The bdl fit well with proper deflection. Same 140 teeth but not the same tension! Hope this will help someone got the same issues.
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