SuzukiSavage.com - 1987 Savage Street Tracker build

TheSneeze Serious Thumper Offline Posts: 1313 Northern Nevada Gender:	Re: 1986 Savage Street Tracker build Reply #255 - 11/30/21 at 12:30:03 The first valve I removed was the intake that leaked the most.
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TheSneeze Serious Thumper Offline Posts: 1313 Northern Nevada Gender:	Re: 1986 Savage Street Tracker build Reply #256 - 11/30/21 at 12:30:36 valve
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TheSneeze

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Re: 1986 Savage Street Tracker build
Reply #257 - 11/30/21 at 12:36:19

The last exhaust valve felt bad coming out. I shouldn't have pulled it all the way out with what I was feeling, but did anyway. I probably damaged the guide doing it. After inspection there is a very small burr on the edge of the keeper groove, on the side closest to the valve end. This valve had the keepers stuck on the spring retainer and finally popped with pressure from the spring compressor. A couple others popped off as well, but not as loud as this valve. I will inspect the keepers thoroughly after cleaning. The valve stem needs some filing with a machinists file to remove that burr. I'm thinking I will need to put in new guides and seals. All of the valve stems measure in spec on the stem OD.

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Every twenty minute job is a stripped thread away from being a three day ordeal.

'87 LS650h Savage Street Tracker (destroyed by fire)
'86 LS650g Savage (parts bike)
'81 Kawasaki KZ750e ELR tribut

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TheSneeze Serious Thumper Offline Posts: 1313 Northern Nevada Gender:	Re: 1986 Savage Street Tracker build Reply #258 - 11/30/21 at 12:37:48 intake seats
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TheSneeze Serious Thumper Offline Posts: 1313 Northern Nevada Gender:	Re: 1986 Savage Street Tracker build Reply #259 - 11/30/21 at 12:38:20 exhaust seats
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TheSneeze Serious Thumper Offline Posts: 1313 Northern Nevada Gender:	Re: 1986 Savage Street Tracker build Reply #260 - 11/30/21 at 12:38:50 chamber
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TheSneeze Serious Thumper Offline Posts: 1313 Northern Nevada Gender:	Re: 1986 Savage Street Tracker build Reply #261 - 11/30/21 at 13:02:37 The piston looked surprisingly well, with the exception of a small spot on the skirt. Forging flaw?
Back to top	20211130_1252261.jpg Every twenty minute job is a stripped thread away from being a three day ordeal. '87 LS650h Savage Street Tracker (destroyed by fire) '86 LS650g Savage (parts bike) '81 Kawasaki KZ750e ELR tribut IP Logged

TheSneeze Serious Thumper Offline Posts: 1313 Northern Nevada Gender:	Re: 1986 Savage Street Tracker build Reply #262 - 11/30/21 at 13:03:12 piston rear I found water on one of the cylinder studs. Weird. In this climate our humidity averages around 20%. This bike has been in my shop for over two years. I would have thought any moisture would have evaporated by now. I can only think it is rain accumulation from the previous owner.
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TheSneeze Serious Thumper Offline Posts: 1313 Northern Nevada Gender:	Re: 1986 Savage Street Tracker build Reply #263 - 11/30/21 at 13:03:37 piston front
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Dave YaBB Moderator ModSquad Offline SuzukiSavage.com Rocks! Posts: 18314 Camp Springs, Kentucky Gender:	Re: 1986 Savage Street Tracker build Reply #264 - 11/30/21 at 17:14:37 The stock piston is cast.....not forged. The goober on the skirt is likely some corrosion from sitting. I wouldn't worry if the burr made a scratch on the valve guide.....it won't cause any harm. (Be sure to smooth it out before you put the valve back down the guide).
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TheSneeze Serious Thumper Offline Posts: 1313 Northern Nevada Gender:	Re: 1986 Savage Street Tracker build Reply #265 - 12/01/21 at 11:36:07 I got my PWK40 in the mail today. Unlike DBM's that actually measured 38mm, this one is at 40mm on both ends. Hopefully I can jet this one to work well.
Back to top	20211201_1130341.jpg Every twenty minute job is a stripped thread away from being a three day ordeal. '87 LS650h Savage Street Tracker (destroyed by fire) '86 LS650g Savage (parts bike) '81 Kawasaki KZ750e ELR tribut IP Logged

TheSneeze Serious Thumper Offline Posts: 1313 Northern Nevada Gender:	Re: 1986 Savage Street Tracker build Reply #266 - 12/01/21 at 11:36:50 filter side
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TheSneeze Serious Thumper Offline Posts: 1313 Northern Nevada Gender:	Re: 1986 Savage Street Tracker build Reply #267 - 12/01/21 at 11:37:14 engine side
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TheSneeze Serious Thumper Offline Posts: 1313 Northern Nevada Gender:	Re: 1986 Savage Street Tracker build Reply #268 - 12/01/21 at 11:41:47 It's hard to believe these are going for only $39.99. After a thorough inspection, the only fault I can find is it having a kinked hose upon arrival. Easily dealt with, though.
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DragBikeMike

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Honolulu

Re: 1986 Savage Street Tracker build
Reply #269 - 12/02/21 at 16:24:14

Hey Sneezy, just a tip. Before I try to remove an old valve, I dress down the edges of the cotter groove with an oil stone. Just enough to knock off any burrs. You might want to just touch up that guide with a 7mm ball hone. Just a touch up, a few strokes, not enough to enlarge the guide. You weren't twisting it back and forth as you removed it, were you? Hold the head up to a light and do a visual inspection.

The seats and valves look pretty good. You should clean them up with a scotch-bright pad soaked in oil. I like to spin the valves in a drill press while I apply the scotch-bright pad. It does a nice job. Once you get them cleaned up maybe reassemble and try the leak test again. I would use a solution of mineral spirits with 10% motor oil. If they only weep I would leave em alone. There's only so much material on the valves and seats.

Your carb looks pretty sweet. Who did you buy it from? It is different from mine. There is no notch in the needle jet hood. Mine, like yours, was bigger than 38mm at the outlet, but the venturi was only 38mm. I'm curious who you bought it from. We should start trying to keep track. There are a lot of variations that seem to be available. I guess it comes with the territory on these questionable pedigree mixers. The quality on yours looks top notch.

This is the hood I am talking about.

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