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leaky distributor

Mc Tool

Mc Tool

Cruisin' Guzzisti
Joined
Jan 23, 2011
Messages
109
Location
Thornbury , Riverton, New Zealand
After a brief ride today , to my dismay I see the oil leak I thought I had fixed by replacing the copper washers on the dual bango thing in the head oil feed pipe, was heaps worse , but the bango was not leaking , it was leaking out of the dizzy ( where the pen is )
DSC00969.jpg

Whats the best fix ( oh experianced ones :) )there is plenty of room on top of that berring for an oil seal.
Beats me , it must be pumping it up there as the void between the two berrings was full of oil. I thought I'd put a couple of sealed berrings and an oil seal, But.... yesterday I changed the oil , now the book sez it holds 3.5 l but I can only get 2.75l in before the dipstick ( new ring pull thing that I scrupulously measured against the original ) sez full ( bike level bla bla bla ) soooooo yesterday I filled to the full mark ( 2.75l ) and added 250m.........and straight away the dizzy starts leaking. Whats the real problem here guys ? have I over filled it or are my dizzy seals just knackeded
 
You have the distributor apart obviously. It's now well over 20 years old so why not just buy two new bearings from a bearing factor, ($5 a pop I'd guess, 6202's from memory but don't quote me, take one in.) also get two new o-rings for the dizzy shaft, get viton ones and make sure they fit. Reassemble with a bit of Loctite bearing mount around the outside of the bearings. Use rubber grease on the o-rings as you insert the shaft and use a new roll pin with some solder blobbed onto its ends once its in to secure the gear. Pop it back in with a NEW gasket, prefferably an Eldo type one which are a bit thicker, have 'Ears' and are less prone to leakage and time it up and ride.

pete
 
GU06000_01.gif


Part #52 on later distributor models. I don't have a pic of the earlier Eldo gasket but if the oil was coming out of the weep hole in the points housing of the distributor it was almost certainly the shaft o-rings that had gone.

pete
 
Yeah I found some , 2 with ears and one without . :oops: Thanks Pete
Im a bit puzzled re the oil level . I totally drained the sump ( had to to get the dizzy clamp spacer back :evil: ) and measured the oil back in and I can only get 2.3 litres in there before it shows as full . Is this enough ? I'd be quite happy to tip in the recomended amount and edit the dip stick
Its a 74 850t , no oil filter. I have been using valvoline semi synthetic 15w 40 and was intending to change at 2000km's seeing as it only hold 2 + litres...... Id be grateful for your recomendations Pete
Thanks
 
FWIW, a 12 x 28 x 7 seal ($4.84 at my local bearing house) fits
nicely into the distributor housing below the lower bearing.

Presumably, somebody thought 'twas not needed, but ......
 
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