Author Topic: Shorter drive belt experiment  (Read 3302 times)

0 Members and 1 Guest are viewing this topic.

moz_21

  • Newbie
  • *
  • Posts: 28
Shorter drive belt experiment
« on: February 16, 2018, 10:59:57 AM »
Has anyone experimented with a shorter drive belt? I'm using the stock 1078 belt but am out of jackshaft adjustment. I wanted to try running a little tighter belt to fix some bogging. Clutches are aligned with the tool.

gixxer6

  • Hero Member
  • *****
  • Posts: 1566
Re: Shorter drive belt experiment
« Reply #1 on: February 16, 2018, 11:52:29 AM »
Did you try another belt?  If you adjusted the center to center distance with the tool and the belt is too loose I would think there is a problem with the belt...

moz_21

  • Newbie
  • *
  • Posts: 28
Re: Shorter drive belt experiment
« Reply #2 on: February 16, 2018, 12:40:03 PM »
New belts yields very minimal improvement. I also have minor grooving on my primary clutch that I just noticed, toward the bottom. However, belt deflection is a little high, 1 3/4.
« Last Edit: February 16, 2018, 12:48:27 PM by moz_21 »

gixxer6

  • Hero Member
  • *****
  • Posts: 1566
Re: Shorter drive belt experiment
« Reply #3 on: February 16, 2018, 12:48:26 PM »
Maybe the bogging isn't caused by the clutches/belt? 

moz_21

  • Newbie
  • *
  • Posts: 28
Re: Shorter drive belt experiment
« Reply #4 on: February 16, 2018, 12:49:46 PM »
Maybe the bogging isn't caused by the clutches/belt?

Might not be. To be fair, I grew up on this thing and it's never ran better than I've got out now. Crank seals are amazing.

JDmatt

  • Full Member
  • ***
  • Posts: 131
Re: Shorter drive belt experiment
« Reply #5 on: February 25, 2018, 12:31:38 PM »
Running a shorter belt would lower clutch engagement and upshift, I don't think that would help with a bogging issue. 
Matt
www.JDsleds.com - John Deere Snowmobiles
www.newbreedparts.com - New parts for John Deere & Kawasaki Snowmobiles