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Enduro Engine - 2 stroke Cylinder, Piston, Tranny, Bearings, Clutch, Pipes & Silencers, etc.

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Old 09-08-2018, 04:36 PM
Thompo Thompo is offline
Join Date: Aug 2017
Location: Northern Ireland
Posts: 93
Default Top end rebuild, lots of orings?

Hi folks,

Finishing off a top end on my mates 03 300.

In the gasket kit i have
base gaskets, powervalve cover gaskets, reed gaskets, exhaust Orings and gasket, water pump gaskets and head o rings.

There is also 7 other Orings.

Where do they go? I didn't remove any this size.

See pic attached

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Old 09-08-2018, 05:52 PM
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Jakobi Jakobi is offline
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Join Date: Oct 2010
Location: Australia
Posts: 7,830

Looks a bit like a full gasket set..

2 x o-rings behind the counter shaft seal.
1 x o-ring on crank, clutch side.

Sometimes these kits are a bit generic and will throw in a few bits to cover variances across a couple years of a similar engine.
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Old 09-28-2018, 05:50 PM
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BLD BLD is offline
Join Date: Sep 2017
Location: Northern CA USA
Posts: 65

Two of those medium orings look like the two I just replaced with my countershaft seal and bushing.
Edit: I am done caring why my apostrophes always turn to qurstion marks!!!...
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Old 09-29-2018, 01:39 AM
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(F5) (F5) is offline
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Location: Wellington New Zealand
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Yeah what a screw up that is. Never seen a groove that needed 2 Owings pushing on each other.
'07 EC300
496 CPI Cheetah RZ/RGV hybrid
675 Street Triple R
RS125 framed MB100 racer
Stinger T125 Suzuki
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