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General Discussions & Announcements General Announcements, General Questions, e.g. What bike do I buy?, etc. |
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#1
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Front sprocket thing and random leakage
Hi, My gasser is almost ready for inspection and then its time for styling.
1. Ive noticed that the front sprocket is only secured with a circlip. This gives the front sprocket the ability to slide left and right on the shaft. This feels very sketchy as I literally hear it scratching against the circlip when turning, but also that the chain wont be straight at those points. Is it possible to use washers or a spacer like you have in between the front sprocket and the case. This way the front sprocket will always be secured and I can feel safer. 2. Between the crankcase and the clutch big case, it is leaking. The gasket is brand new and screws are tightened. Why?? Could it be that the gasket is too lowly placed. I can feel it sticking out way more on the bottom than on the top Thanks |
#2
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Make sure you have the spacer and two o-rings behind the counter shaft sprocket.
As for the inner clutch cover to case leak, was the surface cleaned of all the old gasket and no burrs or scratches between the two surfaces? Did you use a quality gasket? Also, did you torque the bolts down evenly?
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WildAzzRacing YouTube channel Trail Riders of Southern AZ club AZ State Parks OHV Ambassador '11 EC250R '98 KDX220 |
#3
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I have the spacer etc behind the counter shaft sprocket. However the sprocket can still slide on the shaft and press against the circlip. I was wondering if I can put a spacer between the circlip and the sprocket to make it sit snug.
Yes, gasket surface etc was clean. OEM gasket. Bolts torqued evenly |
#4
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Is the sprocket new or used? Is the chain properly aligned and running straight? On a stand, push up on the bottom of the chain, to pull the top of the chain tight. Then view from behind the bike on the top of the chain to see if the sprockets are in line and the chain is running straight.
Some bikes need the axle adjusters to be set different from the right to left side to properly align the chain. If the chain does not run straight it can put angular force the front sprocket and cause it to wear and run on an angle. |
#5
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Yes I know, the chain is supposed to be straight to not wear out sprockets and itself.
As it seems to be confusion I will send a picture or link a video where you can see what I mean. |
#6
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Interestingly the 2006 125 shows the sprocket bolted on chrome-extension://efaidnbmnnnibpcajpcglclefindmkaj/https://www.motocrosscenter.com/pdf_manual_gasgas/2006_ec_mc_sm_partlist.pdf
I know my 300 had the circlip but it was a relatively tight fit, couldn't slide from side to side, just felt a little wobbly
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2003 txt250 Pro 2013 Ossa 280i |
#7
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Video
Originally they have a nut but when you buy a new gear box, they dont.
Please use the following link to watch the video where I show the play that I am describing, if you feel unsure, you can watch the pictures but the video is way better: 1.jpg 2.jpg https://streamable.com/d8bm4p Last edited by Noobi06; 06-18-2023 at 07:44 PM. Reason: w |
#8
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The GG 125 uses the same front sprocket as the YZ125 so you could use this YZ lock washer and flatten the tabs.
https://www.partzilla.com/product/ya...7bf21d59431104 |
#9
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Quote:
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2003 txt250 Pro 2013 Ossa 280i |
#10
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I agree. Some of the 125 sprockets are flat and some have a thicker base area like this one. https://www.ebay.com/itm/27548151056...Bk9SR96P9LqaYg
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