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Thread: Motor rebuild

  1. #1
    Join Date
    Apr 2010
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    Wisconsin
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    96

    Motor rebuild

    Whats the average cost of a complete 185 rebuild? Nothing radical. Looking for a project this winter.
    1982 Honda 185s, Up and running and SOLD
    1985 suzuki quad runner 250, Up and running
    1983 Yamaha 125 tri moto, Needs TLC
    1985 Honda 250 es Big Red, New Project

  2. #2
    malibulvr's Avatar
    malibulvr is offline At The Back Of The Pack Arm chair racerFirst time rider
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    Oct 2010
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    Lockport, NY
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    203
    Interesting question, I also wonder what it would cost to build one of these engines.

  3. #3
    Join Date
    Jul 2010
    Location
    ontario
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    1,131
    sorry to be blund about it but check with your honda dealer for how much parts will cost. You are going to need a gasket kit pistion an rings and it will probably need to be bord. just my .02
    HONDA WITH A WING AND A PRAYER
    1984 110 project
    1984 125 parts bike
    1983 honda 200x
    19 85x2honda 200x
    1985 honda 250sx
    1985 honda 250es
    polaris p3 should be a parts bike ***gas tank wanted**

  4. #4
    Join Date
    Apr 2010
    Location
    Wisconsin
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    96
    I'm actually looking for a response like," 3-400 bucks" or "go to this person or place for a good deal",or " pay attention to this on a rebuild"..but thanks for your ".02"
    1982 Honda 185s, Up and running and SOLD
    1985 suzuki quad runner 250, Up and running
    1983 Yamaha 125 tri moto, Needs TLC
    1985 Honda 250 es Big Red, New Project

  5. #5
    Join Date
    Mar 2011
    Location
    Ohio
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    236
    3-400 bucks

  6. #6
    malibulvr's Avatar
    malibulvr is offline At The Back Of The Pack Arm chair racerFirst time rider
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    Oct 2010
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    Lockport, NY
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    Quote Originally Posted by hillbilly 200x View Post
    sorry to be blund about it but check with your honda dealer for how much parts will cost. You are going to need a gasket kit pistion an rings and it will probably need to be bord. just my .02
    Sorry to be blunt also but we can call the Honda dealer for every question, its just easier to post here and interact with other members that have dealt with similar situations. I thought this site was all about sharing experiences and knowledge. Seeing as many of the members have rebuilt their engines then I'm sure someone can chime in on what ballpark an at home rebuild would cost someone.

  7. #7
    Join Date
    May 2011
    Location
    Foothills of the Adirondacks
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    104
    mine was smoking like crazy and down on power. this was my solution, and it worked great for my 185. you actually send your jug in to them, and the send it back with the rebuild kit.

    http://cgi.ebay.com/ebaymotors/Honda...Q5fAccessories
    Quad? whats that?

  8. #8
    Join Date
    May 2011
    Location
    Foothills of the Adirondacks
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    104
    better kit here comes with valves and other stuff..... http://cgi.ebay.com/ebaymotors/NEW-H...Q5fAccessories
    Quad? whats that?

  9. #9
    Join Date
    Jul 2010
    Location
    ontario
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    1,131
    I'm actually looking for a response like," 3-400 bucks" or "go to this person or place for a good deal",or " pay attention to this on a rebuild"..but thanks for your ".02"
    Sorry to be blunt also but we can call the Honda dealer for every question, its just easier to post here and interact with other members that have dealt with similar situations. I thought this site was all about sharing experiences and knowledge. Seeing as many of the members have rebuilt their engines then I'm sure someone can chime in on what ballpark an at home rebuild would cost someone.
    There is nothing wrong with asking a question now and then but many people have have rebuild there bikes at hom for cheap they have started threads that will answer your question. Have you tryed the search bar at the top of page, alot of your question can be anwers with in a few min if you used the search bar
    HONDA WITH A WING AND A PRAYER
    1984 110 project
    1984 125 parts bike
    1983 honda 200x
    19 85x2honda 200x
    1985 honda 250sx
    1985 honda 250es
    polaris p3 should be a parts bike ***gas tank wanted**

  10. #10
    Join Date
    Jul 2011
    Location
    Mid South
    --
    98
    I was going to mention those kits but I have never heard of those brand pistons and rings. Has anyone here used them and are they any good? I would pay that much if they supplied there own cylinder. The kits without the valves and timing chain stuff is only $175.

    I would rather pay 300-400 on wiesco,oem,ect and get the cylinder bored out localy in case there are any issues you can take it back.

    I suppose those cheap kits are alright for one of those 150-300$ 185's you can find that are pretty beat up.

    Anybody have a writeup on lapping new valves?
    82 atc110
    82 atc200
    83 atc185s


    Whats old is new.

  11. #11
    Join Date
    May 2011
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    Foothills of the Adirondacks
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    Quote Originally Posted by adam38654 View Post
    I was going to mention those kits but I have never heard of those brand pistons and rings. Has anyone here used them and are they any good? I would pay that much if they supplied there own cylinder. The kits without the valves and timing chain stuff is only $175.

    I would rather pay 300-400 on wiesco,oem,ect and get the cylinder bored out localy in case there are any issues you can take it back.

    I suppose those cheap kits are alright for one of those 150-300$ 185's you can find that are pretty beat up.

    Anybody have a writeup on lapping new valves?
    sure thing on the bold! I only used the kit because it was cheap and it got me riding again. and I only paid 50 bucks for the trike. I put it together last year and the guy I sold the wheeler to is still riding the hell out of it, with no issues.
    Quad? whats that?

  12. #12
    Join Date
    Jul 2010
    Location
    ontario
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    1,131
    Anybody have a writeup on lapping new valves
    go to about 5.20min http://www.youtube.com/watch?v=l3bnHbNONw8
    HONDA WITH A WING AND A PRAYER
    1984 110 project
    1984 125 parts bike
    1983 honda 200x
    19 85x2honda 200x
    1985 honda 250sx
    1985 honda 250es
    polaris p3 should be a parts bike ***gas tank wanted**

  13. #13
    Join Date
    Jul 2010
    Location
    ontario
    --
    1,131
    lol it is kinda funny the clymer manuals say " Valve lapping or grinding the valves is not recommender as the valve face is coated with a special material. Lapping or grinding the valve will remove this surface and will lead to almost instant valve failure. Do not lap or grind the valves. If they are burned or damaged they must be replaced." Its what the books say
    HONDA WITH A WING AND A PRAYER
    1984 110 project
    1984 125 parts bike
    1983 honda 200x
    19 85x2honda 200x
    1985 honda 250sx
    1985 honda 250es
    polaris p3 should be a parts bike ***gas tank wanted**

  14. #14
    malibulvr's Avatar
    malibulvr is offline At The Back Of The Pack Arm chair racerFirst time rider
    Join Date
    Oct 2010
    Location
    Lockport, NY
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    203
    It's probably some type of heat resistant coating. I guess new valves probably don't cost all that much so if I were to build a motor I would probably replace them too.

  15. #15
    Join Date
    Apr 2011
    Location
    Mexico
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    9,014
    Based on averages:
    Piston & Rings $120
    Valve Guides $30
    Valve Seals $20
    Valves $50
    Gaskets $60
    Timing Chain $50
    Machine Shop Services (bore, cut valve seat)$120
    Manual $25
    Special tools?
    That should do it you supply the elbow grease and nothing major is wrong (crank) If you drop it off at the Honda dealer it will be about triple.

    Have fun!

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