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Enduro Engine - 2 stroke Cylinder, Piston, Tranny, Bearings, Clutch, Pipes & Silencers, etc. |
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#1
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output shaft oil seal size
can anyone confirm the correct size of oil seal for the countershaft?
I bought a 30mm x 40mm x 7mm as this is what the GG manual said and it's leaking oil. Ive only just finished the complete engine rebuild, and lets say it was a bit of a pisser watching the oil drip out of the new seal. I take it i can just lay the bike over and put in a new one, or is it a case of draining the oil and starting again. thanks |
#2
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Did you replace the o-rings and bushing as well? I've read that without doing those as well, replacing the seal is often a waste of time.
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#3
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erm..nope well i guess thats why then, has anyone got a picture of these parts
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#4
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Quote:
No pic but it is on the fich. Yes you can lay the bike on its side with out draining the oil. Halls has always had it in stock for me.
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02 EC 200 03 MC 250 88 VT 800 01 TXT 280 |
#5
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Ok will do thanks for the replies, its a shame a 5 euro part costs 15 euros to post from motocross center
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#6
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Output shaft oil seal size **updated for older GG engines**
Well got some great news for riders of older GG engines like me.
we dont need the plastic bushing and 'o' rings just a 25 x 40 x 7 oil seal. job done |
#7
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What "plastic bushing" All the counter shafts are "sealed " with a "metal bushing" with a grove in one end for one of the O-rings, the other O-ring smashes against the side case to seal it. If you just put a oil seal in it will leak.
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02 EC 200 03 MC 250 88 VT 800 01 TXT 280 |
#8
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Quote:
Err no the older GG engine does not need that "bushing" as per andy @ GGUK they changed it later. he was 110% certain I didnt need it |
#9
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On the older bikes I polish bushing's seal contact area to smooth out the ridges. If they are significant grooves I will not drive in the new seal as deep (hold the seal out slightly) to give it a new shaft wear surface. This works well for crank seals too.
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