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Hairline crack in engine case
Sorry to repost. Ray gave me some good info. Just wondering if anything else was out there.While removing and inspecting my clutch a few weeks ago in my 82 GS1100EZ. I noticed a hairline crack in the case where the clutch input shaft goes in to the trans right at the retaining clip groove. I was wanting advice if any one has seen this before with helicut gears and what was the cure .(welding). I have seen it on several drag bikes with helicut gears and excessive thrust clearances. My thrust clearances .0015 are within specs, hardened nut etc. Also is it possible to strengthen this area build it up with a weld. I have a access to an older 750 with straight cut gears and the lower ratio but really can not afford those kind of changes at this time. I was saving them for a drag bike if nesc.
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Last edited by gs11ezrydr; 09-19-2016, 11:36 PM.sigpic 82 gs1100ez 1168 Wiseco,Web .348 Cams,Falicon Sprockets,Star Racing Ported Head,1mm o/s Stainless Valves,APE Springs,Bronze Guides,etc.APE Billet Tensioner,36CV Carbs,Stage 3 Dynojet,Plenum w/K&N filter,Trued,Welded,Balanced,Crank w/Katana rods & Billet left end, FBG backcut trans, VHR HD Clutch basket,APE nut,VHR High volume oil pump gears,1150 Oil cooler,V&H Megaphone header w/Competition baffle,Dyna S,Coils,Wires,etc.Other misc.mods. -
I had the same problem on my Kat 1150, also talked to Ray about it. The C-clip groove was cracked and flapping on one side.
It's now gone. It's such a thin piece of material. There may have been just enough a groove left to leave the c-clip attached to the stock bearing, can't recall if the clip is there or not. The case material on the clutch side of clip has been off the bike for 2 years or so.GS\'s since 1982: 55OMZ, 550ES, 750ET, (2) 1100ET\'s, 1100S, 1150ES. Current ride is an 83 Katana. Wifes bike is an 84 GS 1150ES -
this is a common problem on a helical gear large CC GS engines.
the basket is pushed towards the clutch cover under extreme use and the clip gets pulled the same direction.
even with an HD basket this happens.
live with it and if you ever have the bottom apart for upgrades then add strait cut gears and all will be fine.
no more side load....Comment
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Thanks for the replys. Just for the sake of it or (piece of mind) I believe I will rough it up a little and apply a small amount of some high strength epoxy not JB weld and inspect it at a later time and inspect it to see how or if it held up. Apply it with the clip inserted and a c-clamp to hold it till dry. Just experimentingsigpic 82 gs1100ez 1168 Wiseco,Web .348 Cams,Falicon Sprockets,Star Racing Ported Head,1mm o/s Stainless Valves,APE Springs,Bronze Guides,etc.APE Billet Tensioner,36CV Carbs,Stage 3 Dynojet,Plenum w/K&N filter,Trued,Welded,Balanced,Crank w/Katana rods & Billet left end, FBG backcut trans, VHR HD Clutch basket,APE nut,VHR High volume oil pump gears,1150 Oil cooler,V&H Megaphone header w/Competition baffle,Dyna S,Coils,Wires,etc.Other misc.mods.Comment
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Old thread but discovered a picture tonight.
GS\'s since 1982: 55OMZ, 550ES, 750ET, (2) 1100ET\'s, 1100S, 1150ES. Current ride is an 83 Katana. Wifes bike is an 84 GS 1150ESComment
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Seems theres a way you could fashion a retainer clip ( out of some mild steel and is stacked up ) that bolts into the hole that would set against the bearing race and trap it...and supply the stability to the bearing and the shaft.MY BIKES..1977 GS 750 B, 1978 GS 1000 C (X2)
1978 GS 1000 E, 1979 GS 1000 S, 1973 Yamaha TX 750, 1977 Kawasaki KZ 650B1, 1975 Honda GL1000 Goldwing, 1983 CB 650SC Nighthawk, 1972 Honda CB 350K4, 74 Honda CB550
NEVER SNEAK UP ON A SLEEPING DOG..NOT EVEN YOUR OWN.
I would rather trust my bike to a "QUACK" that KNOWS how to fix it rather than a book worm that THINKS HE KNOWS how to fix it.Comment
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