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Author Topic: Just started cleaning my engine....  (Read 890 times)

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Offline manosteel

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Just started cleaning my engine....
« on: April 15, 2016, 12:00:00 PM »
The drive sprocket area on my 550 looks like this... What should I do next?
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Offline flybox1

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Re: Just started cleaning my engine....
« Reply #1 on: April 15, 2016, 12:20:34 PM »
You sure you didnt put beans in the oil?   ::)
Clean it up and see what lies underneath  :o
you might need to replace it with the rear sprocket, and get a new chain (non o-ring)
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'78 750K (F3 engine) PD42b's, Modified airbox w/K&N  filter, 40/110 jets, 1 needle shim, IMS@ 1 turn out. Kerker + Cone 18" QuietCore

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Offline manosteel

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Re: Just started cleaning my engine....
« Reply #2 on: April 15, 2016, 02:11:14 PM »
The sprocket gas some play to it, im delivery going to replace. Is there a seal for the shaft that could be bad? Or do you think it's just road grime and oil from the chain? Realized I definitely need a gasket kit. Contemplating a whole rebuild. For someone with decent mechanical skill and a manual, is a full on rebuild a pain? Also realized I need a new screw kit, anyone have experience with the Allen head kits?
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Offline flybox1

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Re: Just started cleaning my engine....
« Reply #3 on: April 15, 2016, 02:17:22 PM »
looks like years of chain lube booger.  clean it with kerosene.
allen kits are frequently used.  quite a few vendors on ebay.
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'78 750K (F3 engine) PD42b's, Modified airbox w/K&N  filter, 40/110 jets, 1 needle shim, IMS@ 1 turn out. Kerker + Cone 18" QuietCore

Past Bikes
1974 550K0 (stock), 1973 CB350F (stock), 1983 Yamaha XS400K (POS)
77/78 cool 2 member #3
"Knowledge without mileage equals bullsh!t" - Henry Rollins

"This is my CB. There are many like it, but this one is mine…"

Offline CB650CPastor

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Re: Just started cleaning my engine....
« Reply #4 on: April 15, 2016, 02:31:45 PM »
No telling where all that oil is coming from until you clean it up. What a mess.
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Tim
Current:1980 Honda CB650C Custom, 1969 Toyota Corona Deluxe Sedan
Past: '07 Honda Rebel 250, '80 Yamaha XS1100 Special, '69 Honda CB160, '67 K15 Suzuki Hillbilly, 1971 VW Super Beetle...

Offline CycleRanger

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Re: Just started cleaning my engine....
« Reply #5 on: April 15, 2016, 02:41:19 PM »
Quote from: manosteel on April 15, 2016, 12:00:00 PM
The drive sprocket area on my 550 looks like this... What should I do next?
Keep Calm and Carry on Scrubbing!  ;D   Mind the wiring!

I'm doing the same thing to my XS650 engine today. Just finished first pass. Took about two hours.
Stiff skinny nylon brushes, brass brushes, scotch bright, engine degreaser, orange degreaser, tooth brush, garden hose all engaged!

It takes like a week to get that kerosene taste out of my toothbrush... :o
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Offline manosteel

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Re: Just started cleaning my engine....
« Reply #6 on: April 15, 2016, 08:14:55 PM »
I bought every brush I could find! Gunk degreaser does not work that good from my experience so far.  Does anyone have a stator cover that's in good shape. Mine is badly scraped up.
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