My belt is extremly tight. If I push on it with my finger, I don't get any deflection at all, I think it is way to tight, or am I wrong? How do you adjust the tension, I know I need to loosen the axle and then turn the two allen head screws in the end caps, but does going "in" loosen the belt or tighten the belt?????????????
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Not a mechanic, but I believe going in loosens it.
OK, I'll try it. Had a Suzuki SV650 not too long ago, and it was the opposite, as it had some kind of a reverse cam adjuster and it adjusted just the oposite of what you all are saying.
The Spyders belt adjusters are not like a Motorcycle adjusters, The right side jam nut adjust tension, The left jam nut cocks the wheel to move the belt on the rear pulley [sprocket]; You make adjustments ONLY one eight [1/8 of an turn at a time].
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Campverdefela
New member
Do a search for belt adjustment, theirs plenty of threads. A quick check is to grab the belt mid-way and twist with your 2 fingers, you want it to flex 90 degrees with some effort, if you only get a 45 degree turn its probably way too tight and that will probably ruin you wheel bearings or front sprocket, etc.
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NancysToy
Motorbike Professor
:hun: I hate to break the news to you, but 90 degrees is a quarter turn.
GadgetGuy442
New member
Bob,
Is this true? I thought that both were individual tensioning screws (turn CW to add tension) and as long as belt is where it should be side to side, you'd turn the screws equivalent amounts (1/8 - 1/4 of a turn, until desired tension is achieved). This was what I thought I read in the service manual I bought (don't have it available to me right now to check - am traveling)... does anyone have a manual they could check??
:dontknow:
Bill
billybovine
Active member
see attached file. if it worked?
billybovine
Active member
Right tight, left loose.
NancysToy
Motorbike Professor
Both screws work the same, pulling the sliding blocks that the axle rides in backwards as you tighten (CW).
GadgetGuy442
New member
Thanks Scotty and BillyBovine,
Bill
:2thumbs:
Bill
:2thumbs:
Yes sort of, once the tension is where you want, The left jam nut will at a 1/8 turn at a time move the Belt side to side.
Campverdefela
New member
OOPS! Made the correction..:hun: I hate to break the news to you, but 90 degrees is a quarter turn.
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GadgetGuy442
New member
Bob,
This sure doesn't seem like what I experienced when I did my belt adjustment. I thought left/right belt positioning was accomplished by turning the set screws by differing amounts. The jam nuts on left and right sides simply tightened things in place once the adjustments were made.
Scotty.... Could you weigh in on this please?!
Thanks, Bill
Firefly
Active member
Had mine checked and adjusted in TN by Kurt & co.
Was running a bit tight.....and I had the new sprocket on too which could have affected it a bit.
Checked it with my Krickett afterwards and found that what I was previously using for settings was WRONG.
I had been setting it at 180 lbs with the bike jacked up. This is TOO TIGHT.
150-160 with the bike jacked up --- which ended up being 180 once the bike was back on the ground - of course if you had a larger load on the bike (bags, etc.) it would read higher - hence why I prefer reading it while jacked up.
Anyhow---- go with 150-160 when jacked up, 180 if on the ground.
Was running a bit tight.....and I had the new sprocket on too which could have affected it a bit.
Checked it with my Krickett afterwards and found that what I was previously using for settings was WRONG.
I had been setting it at 180 lbs with the bike jacked up. This is TOO TIGHT.
150-160 with the bike jacked up --- which ended up being 180 once the bike was back on the ground - of course if you had a larger load on the bike (bags, etc.) it would read higher - hence why I prefer reading it while jacked up.
Anyhow---- go with 150-160 when jacked up, 180 if on the ground.
NancysToy
Motorbike Professor
Changing either side affects the belt tracking. Changing the left side affects the belt tension far more than changing the right side does. Both screws work in the same way...they move the sliding blocks that hold the axle. My method is to use the left side to adjust the tension (keeping pace with the right side as you go, just to keep the axle fairly square), then fine tune the belt tracking with the right side. After that, check the belt tension again to be sure. Also check tracking and tension one more time after you tighten the axle, just to be sure.
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GadgetGuy442
New member
Scotty,
Thanks for the comments, sound like a very good approach.
I believe the jam nuts simply do just that... Tighten things down and don't provide adjustment of things side to side, as a previous post suggested. Would you agree?
Bill
NancysToy
Motorbike Professor
There are no jam nuts on the Spyder. Are you talking about the one axle nut? That merely tightens the axle, locking it in place. Tightening it can move the axle slightly, and affect adjustment, though. If you are talking about the adjusting screws, they each affect adjustment directly, as I have outlined above.
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