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Post by Josh on Apr 23, 2018 8:52:04 GMT -6
Hi,
I have a 2018 GSX-S 750 with 40 miles on it. I checked the chain slack by just look & feel. I know the spec is 0.8 to 1.2 inches, but should I be able to push the chain easily with one finger and be able to touch the chain slider underneath the swingarm?
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Post by hansum-mane on Apr 23, 2018 10:33:17 GMT -6
No, it needs some attention.
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Post by Josh on Apr 23, 2018 12:18:14 GMT -6
I thought it seemed a bit loose. Wonder why it loosened so much in 40 easy low acceleration miles? Maybe not set right from the factory?
How much should it move in relation to the bottom of the swingarm?
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Post by hansum-mane on Apr 23, 2018 13:47:10 GMT -6
You should not be able to touch the swingarm easily if it's adjusted correctly.
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Post by Josh on Apr 23, 2018 17:04:20 GMT -6
What the chain touches is the plastic chain slider on the bottom of the swingarm, not the actual swingarm. Does yours do this when adjusted correctly?
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Post by mrstamp80 on Apr 23, 2018 17:39:03 GMT -6
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Post by Josh on Apr 24, 2018 8:52:04 GMT -6
I am going to measure and adjust the chain slack this Thursday. I will report my findings. I think it is strange if Suzuki sent the bike out without the chain having the correct slack.
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Post by mrstamp80 on Apr 26, 2018 6:15:54 GMT -6
Sometimes stuff doesn't get set right from the factory when the unit is crated, then gets missed by the dealer at pdi. Gotta remember the people building these bikes are assembly line workers and don't get paid a heck of a whole lot. That's why it is up to the dealer to properly pdi the unit before it leaves. There is a checklist you should have received in your paperwork when you purchased the bike. (as long as it was a "new" bike) It will have the persons name on it who did it and all their little check marks. They may have been in a hurry and just checked it off and didn't actually measure it. Could be a number of things. Always Always go back through your bike and double check everything. It's your life on the line not theirs. Then if you do find a problem you can bring it to their attention. Trust me whoever checked it off and it isn't right they will hear about it. Not saying the dealer is bad, just people do get it a hurry especially if they are backed up.
On a side note some quick things i have seen over the years working in the powersports buisness, now keep in mind these were all problems right out of the crate and left the factory like this. I can't remember the years of everything but can remember most models
r6 no valve cover
grizzly atv no exhaust
kawasaki watercraft no piston rings on any of the cyl.
can am SxS french fries and hot sauce packed full in the airbox
r1 no left side fairings
spyder missing both front wheels (however they are crated with them off and mounted to the crate) so i can kinda see how they got left out
ninja 250 was missing fuel valve gas was put in and dumped right back onto the floor
kawa m109 was missing rear fender
These are just a few i can think of off the top of my head i know there is more. lol
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Post by hansum-mane on Apr 26, 2018 17:09:09 GMT -6
^ The airbox adds the right kind of flavor to any bad batch of fries.
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Post by Josh on Apr 27, 2018 8:49:27 GMT -6
It makes sense that things can & do get missed. I checked the chain slack last night. I measured it at 1.5 inches of slack. I attempted to adjust it and ran into a few snags. After loosening the axle nut I proceeded to turn the chain adjusters evenly on both sides. I rechecked the slack and it was too tight, so I backed them both off evenly and on the right side the adjuster endcap came loose. So I readjusted to get the slack set right around 1 inch. When I tightened the axle to 83 ft lbs of torque and checked the lines on the swingarm the right side was too far back compared to left side. Loosened axle nut back up and noticed the measurement metal pieces move when you tighten or loosen axle nut. Kinda hard to make sure it stays even on both sides.
Any thoughts or suggestions?
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Post by hansum-mane on Apr 27, 2018 12:35:54 GMT -6
Yeah it's a pain. I found giving the tire a kick forward when the axle nuts are loose helps to get rid of that inconsistency. If you feel yourself drifting from one side to another go grab a chain alignment tool. Motionpro makes one. It kinda sucks but taking the chain guard off and doing it yourself has to be cheaper than the shop.
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Post by Josh on Apr 27, 2018 13:20:33 GMT -6
Thanks. In regards to kicking the tire forward when the axle nuts are loose, I put a rag in between the sprocket & chain to do that before tightening the axle nut to torque spec.
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Post by cobue on Apr 28, 2018 15:06:24 GMT -6
I had to adjust my chain also way prior to hitting the 500-600 mile inspection. For whatever reason they are waaay loose from the factory. Like you, I could also easily touch the plastic chain slider before adjusting it.
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Post by Josh on Apr 30, 2018 9:31:30 GMT -6
cobue did your right side chain adjuster end cap keep coming loose, even when you had the correct chain slack set? I found myself having to constantly push the wheel against the adjusters as I was making the adjustment and even then when I applied the final torque to the axle nut, I had to tighten that end cap some so it was not loose.
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Post by mrstamp80 on May 2, 2018 19:03:35 GMT -6
You are adjusting the chain with the bike on a rear stand meaning the rear tire is off the ground? You do not want to measure and adjust with the rear wheel on the ground. While your axle is loose, make sure your end caps are in place and not tweaked a little sideways. Also i usually roll the tire and as it is spinning forward or correct rotation smack it with a rubber mallet forward. That way to ensure the axle adjustments are pushed all the way and have the tension on them.
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