Is this cylinder toast?
Moderator: Moderator
Is this cylinder toast?
Hi all, I am working on an 87 Elite SE50 engine. The piston was frozen in the cylinder - I got it out, and gave the cylinder an acid bath. At first examination, the inside looked great - a little honing and ready to go. But then I noticed some problem areas around the top. Now I am debating as to whether or not it is usable and would like to hear opinions:
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'83 Aero NH80
'87 Elite SE50
'70 CT90
'72 CT90
'73 CT90
'74 CT90
'83 Aero NH80
'87 Elite SE50
'70 CT90
'72 CT90
'73 CT90
'74 CT90
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- Spree
- Posts: 180
- Joined: Mon Apr 16, 2012 12:53 am
- Location: 48879 -mi
Re: Is this cylinder toast?
i wouldn't think that would cause any problems maybe if i was a bit lower
1988 hd sportster 883 evo
1983 hd sportster 1000 roadster
2001 Honda elite s
1983 hd sportster 1000 roadster
2001 Honda elite s
- Wheelman-111
- Moderator
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- Location: Deepinnaharta, Texas
Re: Is this cylinder toast?
Greetings:
You mean the beveling of the cylinder edge, correct? The only problem I would expect is if the cylinder top isn't dead flat, might interfere with gasket seal. Lapping compound using the head would ensure tight gasket.
You mean the beveling of the cylinder edge, correct? The only problem I would expect is if the cylinder top isn't dead flat, might interfere with gasket seal. Lapping compound using the head would ensure tight gasket.
Wheelman-111
Most of my money is spent on scooterparts. The rest is just wasted.
"ISO": '03 Vespa ET4 Malossi187 74MPH
Flash 9: 2001 Elite SR Contesta 72 ZX Tran, 9:1 Gears, Stock Airbox/Carb/Pipe 58.8 MPH
Punkin: 2010 Vespa/Malossi S78, 61MPH
Most of my money is spent on scooterparts. The rest is just wasted.
"ISO": '03 Vespa ET4 Malossi187 74MPH
Flash 9: 2001 Elite SR Contesta 72 ZX Tran, 9:1 Gears, Stock Airbox/Carb/Pipe 58.8 MPH
Punkin: 2010 Vespa/Malossi S78, 61MPH
- martynkim
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Re: Is this cylinder toast?
I'd roll the dice on that.
Need parts? Parting out Spree Aero and Elite!
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PM me with your needs Cheap Parts
- patthesoundguy
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Re: Is this cylinder toast?
I agree with wheelman on that . The rings don't go up that far so the lapping trick should totally fix it. Nice tip Wheelman
Sent from my Nexus 7 using Tapatalk 2
Sent from my Nexus 7 using Tapatalk 2
Dude! Ya Can't Fix Stupid!
84 Spree stock
84 Spree Dio AF18E MHR Cylinder Arrow Pipe 28mm OKO
80 Express, 47mm DR BBKit, Weak Ends Intake, Boyesen Dual stage reeds, 19mm Delorto carb, MLM pipe
79 Express
85 Aero 80 stock
84 elite 125 stock
84 Spree stock
84 Spree Dio AF18E MHR Cylinder Arrow Pipe 28mm OKO
80 Express, 47mm DR BBKit, Weak Ends Intake, Boyesen Dual stage reeds, 19mm Delorto carb, MLM pipe
79 Express
85 Aero 80 stock
84 elite 125 stock
Re: Is this cylinder toast?
That is correct. Thanks all - encouraging feedback and suggestions to improve my odds - just what I wanted to hear.Wheelman-111 wrote:You mean the beveling of the cylinder edge, correct?
I'll pick up some lapping compound today and try it out - thx Wheelman.
____________________________________
'83 Aero NH80
'87 Elite SE50
'70 CT90
'72 CT90
'73 CT90
'74 CT90
'83 Aero NH80
'87 Elite SE50
'70 CT90
'72 CT90
'73 CT90
'74 CT90
Re: Is this cylinder toast?
Quick update:
Glad I listened - used the valve grinding compound and "rolled the dice".
Runs great - thx
Glad I listened - used the valve grinding compound and "rolled the dice".
Runs great - thx
____________________________________
'83 Aero NH80
'87 Elite SE50
'70 CT90
'72 CT90
'73 CT90
'74 CT90
'83 Aero NH80
'87 Elite SE50
'70 CT90
'72 CT90
'73 CT90
'74 CT90
Re: Is this cylinder toast?
Atlanta Dairies wants their crate back....
RideRed
<(2)Gyro S><Helix><Sym Wolf>
"Live Large - Ride Small"
<(2)Gyro S><Helix><Sym Wolf>
"Live Large - Ride Small"
Re: Is this cylinder toast?
Hahamotormike wrote:Atlanta Dairies wants their crate back....
Re: Is this cylinder toast?
Wait a minute - are you suggesting that the crate is not Honda OEM...motormike wrote:Atlanta Dairies wants their crate back....
I should charge for the advertising.
____________________________________
'83 Aero NH80
'87 Elite SE50
'70 CT90
'72 CT90
'73 CT90
'74 CT90
'83 Aero NH80
'87 Elite SE50
'70 CT90
'72 CT90
'73 CT90
'74 CT90
Re: Is this cylinder toast?
where did u come up with that front basket?
1986 Spree/ Eve af16 swapped 65cc Prodigy vari 8g 9:1 Ruima gears
21mm OKO 42/100 32:1 45mph kymco zx exhaust
1994 Elite S 17.5mm Arreche, Daytona reeds, SEF ramp, pump plugged
1987 Elite SE50 af16 swapped
1989 Elite E SB50p
2003 Yamaha Zuma
21mm OKO 42/100 32:1 45mph kymco zx exhaust
1994 Elite S 17.5mm Arreche, Daytona reeds, SEF ramp, pump plugged
1987 Elite SE50 af16 swapped
1989 Elite E SB50p
2003 Yamaha Zuma
Re: Is this cylinder toast?
It was on my NH125 Aero - fits NB50 Aeros and the Elite - looks like it will fit my 2001 Elite also - but not my 85 Aero 80.Mystic wrote:where did u come up with that front basket?
____________________________________
'83 Aero NH80
'87 Elite SE50
'70 CT90
'72 CT90
'73 CT90
'74 CT90
'83 Aero NH80
'87 Elite SE50
'70 CT90
'72 CT90
'73 CT90
'74 CT90
Re: Is this cylinder toast?
This is my mental image when I communicate with breaze.
I'm just weird that way...
Cartoon character Breezly Bruin
Hey breaze, you sold the Urban, didn't you ?
I'm just weird that way...
Cartoon character Breezly Bruin
Hey breaze, you sold the Urban, didn't you ?
RideRed
<(2)Gyro S><Helix><Sym Wolf>
"Live Large - Ride Small"
<(2)Gyro S><Helix><Sym Wolf>
"Live Large - Ride Small"
Re: Is this cylinder toast?
Uncanny resemblance - strange though, I consider myself quite the old cartoon trivia buff but don't remember ol Breezly. Might have to have my first avatar...
Didn't sell the Urban - funny, got very little interest - maybe priced too high. I love it though and it turned out great, just don't see getting it out that often - 30 - 35 just isn't enough around here.
Didn't sell the Urban - funny, got very little interest - maybe priced too high. I love it though and it turned out great, just don't see getting it out that often - 30 - 35 just isn't enough around here.
____________________________________
'83 Aero NH80
'87 Elite SE50
'70 CT90
'72 CT90
'73 CT90
'74 CT90
'83 Aero NH80
'87 Elite SE50
'70 CT90
'72 CT90
'73 CT90
'74 CT90