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› Top end damage and rebuild
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Top end damage and rebuild (Read 391 times)
Moarpower
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Posts: 331
Re: Top end damage and rebuild
Reply #15 -
10/24/22 at 17:22:32
Thanks Justin. I'll order that and I should probably organise a new cam before measuring. If they are in spec would I be semi-safe to just smooth them out and keep riding til a new head or repair option is available?
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verslagen1
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Re: Top end damage and rebuild
Reply #16 -
10/24/22 at 17:28:52
Moarpower wrote
on 10/24/22 at 14:36:34:
Do you know the range for the clearances ?
journal oil clearance 0.0013-0.0026" wear limit 0.0059"
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Moarpower
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Posts: 331
Re: Top end damage and rebuild
Reply #17 -
10/24/22 at 17:57:45
verslagen1 wrote
on 10/24/22 at 17:28:52:
Moarpower wrote
on 10/24/22 at 14:36:34:
Do you know the range for the clearances ?
journal oil clearance 0.0013-0.0026" wear limit 0.0059"
Thanks Vers. Is this the same on all of the journals? What are the factory clearances on a new motor?
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justin_o_guy2
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Re: Top end damage and rebuild
Reply #18 -
10/24/22 at 18:04:43
they are in spec would I be semi-safe to just smooth them out and keep riding til a new head or repair option is available?
I'm not the guy to answer that. I am the guy who would ask it.
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The people never give up their liberties but under some delusion.- Edmund Burke.
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Moarpower
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Posts: 331
Re: Top end damage and rebuild
Reply #19 -
10/24/22 at 18:22:19
justin_o_guy2 wrote
on 10/24/22 at 18:04:43:
they are in spec would I be semi-safe to just smooth them out and keep riding til a new head or repair option is available?
I'm not the guy to answer that. I am the guy who would ask it.
One way to find out I guess
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verslagen1
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Re: Top end damage and rebuild
Reply #20 -
10/24/22 at 18:26:37
Moarpower wrote
on 10/24/22 at 17:57:45:
verslagen1 wrote
on 10/24/22 at 17:28:52:
Moarpower wrote
on 10/24/22 at 14:36:34:
Do you know the range for the clearances ?
journal oil clearance 0.0013-0.0026" wear limit 0.0059"
Thanks Vers. Is this the same on all of the journals? What are the factory clearances on a new motor?
I would assume the 1st range is new or typical and the 2nd is max
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Moarpower
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Posts: 331
Re: Top end damage and rebuild
Reply #21 -
10/24/22 at 19:31:19
Thanks very. It really would suck to have to scrap this bike but it looks like that's on the cards.
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Compress_20221025_123104_4916.jpg
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DragBikeMike
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Honolulu
Re: Top end damage and rebuild
Reply #22 -
10/24/22 at 20:45:55
You obviously must replace the head assembly (head and head cover). The cam is not salvageable. I doubt Web will accept it as a core. I wouldn't consider trying to use the cam.
The lobes are heavily scored and the edges of the lobes have actually been rolled over. Impressive considering how hard the material is.
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Moarpowers_Cam_Lobe_Scoring.jpg
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DragBikeMike
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Re: Top end damage and rebuild
Reply #23 -
10/24/22 at 20:47:23
Looks like there's even a chunk of the lobe gone.
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Moarpowers_Int_Lobe_Chunk_Missing.jpg
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DragBikeMike
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Re: Top end damage and rebuild
Reply #24 -
10/24/22 at 20:48:15
The cam journal is scored. That's why I don't think Web will accept it for a core.
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Moarpowers_Cam_Journal.jpg
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DragBikeMike
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Re: Top end damage and rebuild
Reply #25 -
10/24/22 at 20:53:48
Considering the starter gear failure, and now these heavily worn rockers and cam, it's apparent that a lot of metallic debris has been circulating all through your engine. It also appears as though it was woefully short on lubrication. You can't have any confidence in the engine.
I would seek out a good used powerplant and install it into your ride. Then, at your leisure, go through the old engine and build a proper hot-rod. It is
ALWAYS
good to have two engines.
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Moarpower
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Posts: 331
Re: Top end damage and rebuild
Reply #26 -
10/24/22 at 20:56:41
DragBikeMike wrote
on 10/24/22 at 20:53:48:
Considering the starter gear failure, and now these heavily worn rockers and cam, it's apparent that a lot of metallic debris has been circulating all through your engine. It also appears as though it was woefully short on lubrication. You can't have any confidence in the engine.
I would seek out a good used powerplant and install it into your ride. Then, at your leisure, go through the old engine and build a proper hot-rod. It is
ALWAYS
good to have two engines.
I agree Mike. I have begun the search for a used motor and contacted every motorcycle machine shop within 200kms to see about resurfacing the cam journals. . I have a Honda vlx 600 to work on while i wait. I'd hate to scrap the savage but they just aren't common bikes here so I'll keep hunting.
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Moarpower
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Posts: 331
Re: Top end damage and rebuild
Reply #27 -
10/25/22 at 00:28:01
Hi guys.
I have found a motor for 600aud. He is going to open it up and check the head for me.
It's a 2001 and mine is an 87.
Is there anything I'd need to change ?
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Yazman
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Ohio
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Re: Top end damage and rebuild
Reply #28 -
10/25/22 at 06:05:33
FWIW, I was having similar issues on my Rebel 250, and the full engine swap ending up being the way to go. Immeasurably easier and less frustrating. I spent weeks trying to repair my old engine, took an hour to swap in a new, running unit.
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2011 RYCA - 94mm flat top Wiseco, stage 3 cam, PWK38, open exhaust, UNI filter, 14/52 chain drive
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Moarpower
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Posts: 331
Re: Top end damage and rebuild
Reply #29 -
10/25/22 at 06:27:54
Yazman wrote
on 10/25/22 at 06:05:33:
FWIW, I was having similar issues on my Rebel 250, and the full engine swap ending up being the way to go. Immeasurably easier and less frustrating. I spent weeks trying to repair my old engine, took an hour to swap in a new, running unit.
Im definitely on the hunt for a complete motor but my chances are very slim
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