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 Chain adjustment 
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TRAIL BOSS
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Joined: Mon 17 Oct, 2011 7:37 pm
Posts: 271
Location: Cooroy
Post Chain adjustment
My chain was too loose, so adjusted it to what the service manal said was necessary.
The service manual is fairly vague when it comes to how to check if the back wheel is perfectly in line. I looked up the chain from the back of the bike, front and rear sprockets seem to line up... Is that all i need to do? The marks on the blocks are useless, and being the first time adjusting my chain, I'm worried I'm doing something wrong.
Any advice would be appreciated.
Cheers Dave.

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Dave
08 WR 250F


Wed 09 May, 2012 7:46 pm
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Post Re: Chain adjustment
The Marks on the blocks are for a purpose , there not useless Schultz..

Best to trust the marks on the blocks , and make sure ur chain has sufficiant Slack or will give u Grief in the bush..

usually 2 or 3 fingures of slack at the point marked in the manual,

3 fingures if ur big boned like some , which ur not so 3 :P

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Wed 09 May, 2012 7:51 pm
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TRAIL BOSS
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Joined: Mon 17 Oct, 2011 7:37 pm
Posts: 271
Location: Cooroy
Post Re: Chain adjustment
The only reason i said the marks in the blocks are useless to me is because there are a different number of marks on each side, making it impossible to tell if they are adjusted the same as each other. I'm pretty sure it is right now (looks straight) but i'm interested to know if it is worth getting some aftermarket blocks. Do they make adjustment easier?

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Dave
08 WR 250F


Wed 09 May, 2012 8:25 pm
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TRAIL BOSS
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Joined: Sun 05 Feb, 2012 4:43 pm
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Location: albany creek
Post Re: Chain adjustment
find some big fat dude/dudet to sit on the bike to compress the suspension then measure...I've always found two fingers is more that enough..three just makes it to big!!can't feel a thing then


Wed 09 May, 2012 9:41 pm
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TRAIL HACK

Joined: Tue 05 Oct, 2010 6:38 pm
Posts: 85
Post Re: Chain adjustment
I find the best thing to do with a bike thats new to you is to take the rear shock out. That way you can move the swingarm through its full range and make sure the chain isnt too tight when the swingarm is at horizontal. Only takes an extra few mins.


Thu 10 May, 2012 5:42 am
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TRAIL GURU
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Joined: Wed 30 Nov, 2011 9:03 pm
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Location: sunshine coast
Post Re: Chain adjustment
dangles2 wrote:
find some big fat dude/dudet to sit on the bike to compress the suspension then measure...I've always found two fingers is more that enough..three just makes it to big!!can't feel a thing then

i get emails in my spam folder for a prodct that could help.


Thu 10 May, 2012 6:25 am
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Post Re: Chain adjustment
Rear shocks out.. sitting on bikes ..

Neva seen any of this crap in manuals I have read :jerk s
Sorry in advance if I offend sign10

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Thu 10 May, 2012 9:27 am
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TRAIL GURU
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Post Re: Chain adjustment
i found the best way when my chain goes loose is undo the bolts and slide the blocks back a knotch icon_thumright

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Thu 10 May, 2012 3:04 pm
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Joined: Tue 08 Sep, 2009 6:41 pm
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Post Re: Chain adjustment
Take your axle out and slide the loose(nut side) block down axle too see if the marks are the same. If not you maybe able too mark them the same.(the blocks can be swaped around, so make sure you have them both the same way.)

Horries on the ball for the rest of the adjusting. icon_thumright


Thu 10 May, 2012 3:57 pm
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TRAIL HACK

Joined: Tue 05 Oct, 2010 6:38 pm
Posts: 85
Post Re: Chain adjustment
Hori wrote:
Rear shocks out.. sitting on bikes ..

Neva seen any of this crap in manuals I have read :jerk s
Sorry in advance if I offend sign10


Whatever makes you happy really. The guide in my manual and the old bike was pretty woeful. I do it this way once and I know that its spot on each and every time afterwards.

You might just be surprised how inaccurate a few fingers are.


Thu 10 May, 2012 6:15 pm
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TRAIL BOSS
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Joined: Sun 05 Feb, 2012 4:43 pm
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Location: albany creek
Post Re: Chain adjustment
this is all pretty funny..never knew there were so many opinions on chain ajustment..lets see..shock off, shock on, fat dude, fingers, axel out, bounce, compress susp, line it up by eye, lol


Thu 10 May, 2012 6:27 pm
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TRAIL PORN STAR
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Joined: Thu 16 Jul, 2009 7:08 pm
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Location: Rio Brisbanero
Post Re: Chain adjustment
I do mine in a sealed dust proof room with the air con set at a consistent 26 degrees celcius.
I then get a spirit level that i put on the seat , i secure the front of the bike with tie down straps to tie down points i have installed in the floor , then i go inside with all my riding gear on including camelback etc etc and weigh myself on the scales , i record the weight ,then i return to my sealed room were i have a life size replica of myself that i put all my riding gear on ,including camelback etc etc , i then weigh it and add or remove lead sinkers to it until i get the exact weight of my self , then i install the replica of myself to the bike making shore that i get the bike dead level using the spirit level, once i,m happy i lock down the tie downs.
then using a micrometer i set my chain slack at 26.7 mm , then i set up a laser level to make sure the wheel is straight in the swingarm, i also measure the distance from the centre of the rear axle to the swingarm pivot on both sides and adjust until i have no more than 000.15 mm difference between both sides , THIS is IMPERITIVE otherwise your sprockets won,t be in line :o
Then i move on to my suspension bounceing device i have built ,Its basicaly a big camshaft shaped device that sits under the rear wheel and it revolves the rear wheel while also pushing the suspension thru its full duration of travel, while doing this i film the chain useing a high speed video camera. I then carefully study the video footage to make sure that at no point during the test does the chain get less than 6.3 mm of slack. icon_thumright








Sometimes if i,m in a hurry i just adjust it till i,ve got a couple of fingers of slack , have a quick glance that the sprockets are in line and tighten it all up
:D :D :D :D :D


Thu 10 May, 2012 6:57 pm
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Location: maleny , sunny coast
Post Re: Chain adjustment
its just like a dirty whore, if you can get three fingers in it she could to go icon_thumright

( top of swing arm to chain )

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Thu 10 May, 2012 7:03 pm
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Post Re: Chain adjustment
Bahahahahahahahahaha occasion14

lunatick wrote:
I do mine in a sealed dust proof room with the air con set at a consistent 26 degrees celcius.
I then get a spirit level that i put on the seat , i secure the front of the bike with tie down straps to tie down points i have installed in the floor , then i go inside with all my riding gear on including camelback etc etc and weigh myself on the scales , i record the weight ,then i return to my sealed room were i have a life size replica of myself that i put all my riding gear on ,including camelback etc etc , i then weigh it and add or remove lead sinkers to it until i get the exact weight of my self , then i install the replica of myself to the bike making shore that i get the bike dead level using the spirit level, once i,m happy i lock down the tie downs.
then using a micrometer i set my chain slack at 26.7 mm , then i set up a laser level to make sure the wheel is straight in the swingarm, i also measure the distance from the centre of the rear axle to the swingarm pivot on both sides and adjust until i have no more than 000.15 mm difference between both sides , THIS is IMPERITIVE otherwise your sprockets won,t be in line :o
Then i move on to my suspension bounceing device i have built ,Its basicaly a big camshaft shaped device that sits under the rear wheel and it revolves the rear wheel while also pushing the suspension thru its full duration of travel, while doing this i film the chain useing a high speed video camera. I then carefully study the video footage to make sure that at no point during the test does the chain get less than 6.3 mm of slack. icon_thumright








Sometimes if i,m in a hurry i just adjust it till i,ve got a couple of fingers of slack , have a quick glance that the sprockets are in line and tighten it all up
:D :D :D :D :D

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Thu 10 May, 2012 7:04 pm
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TRAIL PORN STAR
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Joined: Thu 16 Jul, 2009 7:08 pm
Posts: 3159
Location: Rio Brisbanero
Post Re: Chain adjustment
Hori wrote:
Bahahahahahahahahaha occasion14


Don,t laugh thats the way Andrew told me to do it dontknow









:D :D :D :D :D


Thu 10 May, 2012 7:16 pm
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