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Thread: 350x restoration advice

  1. #1
    Join Date
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    350x restoration advice

    Ok guys so i posted a forum a few months back back about m 350x having a screw in the engine. Well i have since torn it down to the frame and it has turned into a restoration project. It is going pretty well so far, but i do have a few questions. First, clear coating. I will most likely clear coat most of the parts to protect them more, but what do you guys think? I just bought some spray can Krylon clear coat, will that do the job? And shining up the triples, whats a good way to go about that? Steel wool has been doing a pretty good job, but wondering about some other methods. Then on to the bread and butter. My wrist pin has some wear and alittle slop, but the only replacement i could find was one specifically for a Wiseco piston. I was considering ordering the top end rebuild kit off of eBay(site a usually use) which should be around $120 or so. Is there a better place to get this? Or can i just buy a new wrist pin somewhere? Keep in mind there is a screw mark in the top of my piston, but it and the rings have a nice tight seat and no slop. Here is a video about it from my Youtube account. https://www.youtube.com/watch?v=IrxfPM-Y8Sc This is my first restoration really, so any help from you guys would be awesome. I am looking to get this done as soon as i can so i can ride her again! Thanks!
    Don't worry, its a Honda!!

    Currently in my collection:
    1983 Honda 200e Big Red
    1986 Honda 250sx
    1986 Honda 350x($350 barn find, insane)
    1985 Honda 250sx
    1986 Honda 250R
    1986 Honda 250es Big Red
    1984 Honda 200s
    1983 Honda 70
    1983 Honda 110 (Blue edition) (need rear fenders and seat, whose get em??)
    1985 Kawasaki Tecate 3

  2. #2
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    this is bound to come up but restore means all 100% OEM parts...with out that you are just redoing the bike.

    Do not use a wrist pin with play in it unless your going to just put this in the corner of the house and watch it collect dust.

  3. #3
    Join Date
    Mar 2014
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    Thanks for being that guy....haha. After i found it had some wear it seemed like a good idea to replace, because i imagine this will be ridden alot
    Don't worry, its a Honda!!

    Currently in my collection:
    1983 Honda 200e Big Red
    1986 Honda 250sx
    1986 Honda 350x($350 barn find, insane)
    1985 Honda 250sx
    1986 Honda 250R
    1986 Honda 250es Big Red
    1984 Honda 200s
    1983 Honda 70
    1983 Honda 110 (Blue edition) (need rear fenders and seat, whose get em??)
    1985 Kawasaki Tecate 3

  4. #4
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    Order the one size over (if you are still on the stock bore) Wiesco 10.25:1 piston kit. It will come with a new wrist pin, gaskets and rings. Have it bored and honed. If you pull the clutch cover off for some reason, be careful putting it back on. It's easy to break the decomp system inside.

    On the tripples, if you are already using steel wool, you could step up to a soft wire wheel on a bench grinder if that's the look your going for. If you are going to polish them ,stay away from the wire wheel.
    YAMAHA 450 HYBRID
    85 350X- RED
    85 350x -BLACK
    86 350x-WHITE (with Goki)
    85 250r
    83 atc 70
    84 atc 70
    84 atc 110
    09 yfz 450
    2006 Arctic Cat Prowler
    RZR XP 900

  5. #5
    Join Date
    Mar 2014
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    Thanks for the help Bob! On the tripples, i am just looking to get them to shine as good as possible. I will most likely go ahead and order that piston kit today, thanks!
    Don't worry, its a Honda!!

    Currently in my collection:
    1983 Honda 200e Big Red
    1986 Honda 250sx
    1986 Honda 350x($350 barn find, insane)
    1985 Honda 250sx
    1986 Honda 250R
    1986 Honda 250es Big Red
    1984 Honda 200s
    1983 Honda 70
    1983 Honda 110 (Blue edition) (need rear fenders and seat, whose get em??)
    1985 Kawasaki Tecate 3

  6. #6
    Join Date
    Mar 2014
    Location
    Waddington NY
    --
    77
    Don't worry, its a Honda!!

    Currently in my collection:
    1983 Honda 200e Big Red
    1986 Honda 250sx
    1986 Honda 350x($350 barn find, insane)
    1985 Honda 250sx
    1986 Honda 250R
    1986 Honda 250es Big Red
    1984 Honda 200s
    1983 Honda 70
    1983 Honda 110 (Blue edition) (need rear fenders and seat, whose get em??)
    1985 Kawasaki Tecate 3

  7. #7
    Join Date
    May 2015
    Location
    San Diego, CA
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    Most of the aluminum parts were lightly clear coated (one coat). I only use PPG 2021 as it does not yellow and tends to enhance the prepped metal. What does not look OEM is a highly polished aluminum part clear coated. I've always prior to clearing sanded to 2000 grit and only if need be.....a light dry sisal polish.
    Last edited by knappyfeet; 06-24-2015 at 02:21 PM.

  8. #8
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    1,017
    Quote Originally Posted by MulletMan420 View Post
    Yes, that's it . But I don't see anywhere what compression that one is. It may be stock ratio, which is fine too, but the 350x's run real nice with the 10.25 to 1 compression.
    Measure your cylinder first to make sure the 1 step overbore is the one you need. Just in case its been bored before.
    Last edited by BOB MARLIN; 06-24-2015 at 03:05 PM.
    YAMAHA 450 HYBRID
    85 350X- RED
    85 350x -BLACK
    86 350x-WHITE (with Goki)
    85 250r
    83 atc 70
    84 atc 70
    84 atc 110
    09 yfz 450
    2006 Arctic Cat Prowler
    RZR XP 900

  9. #9
    Join Date
    Mar 2014
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    Ok thanks. I am pretty new to all this so its a learning experience. Is the 10.25 the diameter of it? I have always wondered what the numbers meant.
    Don't worry, its a Honda!!

    Currently in my collection:
    1983 Honda 200e Big Red
    1986 Honda 250sx
    1986 Honda 350x($350 barn find, insane)
    1985 Honda 250sx
    1986 Honda 250R
    1986 Honda 250es Big Red
    1984 Honda 200s
    1983 Honda 70
    1983 Honda 110 (Blue edition) (need rear fenders and seat, whose get em??)
    1985 Kawasaki Tecate 3

  10. #10
    barnett468 is offline FACT ! I have no edit button Arm chair racerThe day begins with 3WW
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    .
    if your piston is over sized, it will have a mark on top like .25 or .50 or .75 or .1.00 or .010 or .020 or .030 or .040 etc. . . the first four numbers are mm . . the second are thousands of an inch.

    10.25 is the amount of compression it will provide which is an increase of around 1.0 which will make a small but definite noticeable increase in performance . . if your current rings are leaking compression then it will make a big increase in power feel simply because your old ones were leaking.

    you can do a compression test with the engine warm before you take it apart now if you want so you have a baseline.

    i would start a file and write down all the changes and how it performs etc as you go.

    i would also use good oil in it that has lots of ZDDP and is designed for wet clutch engines.

    here are the wiseco piston numbers . . you can buy direct from them or type the number into your search engine along with the words wiseco ebay and see what you get.

    http://www.wiseco.com/ProductSearch.aspx


    heres one i just found but the photo is completely wrong.

    http://www.ebay.com/itm/Wiseco-Pisto...9a9129&vxp=mtr


    here is the actual wiseco 10.25 piston

    Wiseco

    ..........






    Wossner also sells them and they have a graphite anti friction coating but if you want one of these, contact them and ask what compression it is

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  11. #11
    djm0242's Avatar
    djm0242 is offline At The Back Of The Pack Arm chair racerAt the back of the pack
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    Is OEM restoration what you want? Of course you don't want to lose the original feeling of nostalgia. But it is your bike. Clear coating in my opinion is going to look good for only a short time. It will peel and look terrible in a short time. I agree Wiseco 10:25 is a great option. More POWA! YouTube search "How to polish forks" you'll see that the big shops use a lathe and some diamond polish or a buffing polish for aluminum, the videos I've seen recently were of guys polishing by hand whilst fork tube spins on lathe.
    79 110
    83 185S
    84 250R
    3x85 Big Reds
    85 200X
    85 ATC 70
    85 Tri-Zinger
    86 200x
    86 TRX 125
    87 TRX 250
    89 TRX 300
    98 TRX 450S
    03 TRX 350
    5 Foreman 500 4x4's
    You can never have enough! ATC250ES is still the best!

  12. #12
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    I am looking to go mostly OEM if possible. I mean i do have after market plastics and such, different tires. But i want it to be as close to original as i can. I have painted the majority of the parts with gloss black X-O Rust, and i am just worried about the quality of that.
    Don't worry, its a Honda!!

    Currently in my collection:
    1983 Honda 200e Big Red
    1986 Honda 250sx
    1986 Honda 350x($350 barn find, insane)
    1985 Honda 250sx
    1986 Honda 250R
    1986 Honda 250es Big Red
    1984 Honda 200s
    1983 Honda 70
    1983 Honda 110 (Blue edition) (need rear fenders and seat, whose get em??)
    1985 Kawasaki Tecate 3

  13. #13
    djm0242's Avatar
    djm0242 is offline At The Back Of The Pack Arm chair racerAt the back of the pack
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    I usually use the satin black. It doesn't show dirt as easily. IMO the gloss blacks that Honda used we rarely shiny/glossy. So a semi gloss maybe. Satin definitely. I bet it'll turn out great.
    79 110
    83 185S
    84 250R
    3x85 Big Reds
    85 200X
    85 ATC 70
    85 Tri-Zinger
    86 200x
    86 TRX 125
    87 TRX 250
    89 TRX 300
    98 TRX 450S
    03 TRX 350
    5 Foreman 500 4x4's
    You can never have enough! ATC250ES is still the best!

  14. #14
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    Quote Originally Posted by djm0242 View Post
    Clear coating in my opinion is going to look good for only a short time. It will peel and look terrible in a short time.
    Not to be argumentative but I couldn't disagree more. The fact that they come from the factory coated is reason enough. If not they will look good only for a short time. The elements are nearly acidic to unprotected aluminum.....metal in general.

    I have many years of coated aluminum items. Usually 2021 but some with 2k. 90% of the time perfect. The other 10 was probably me not proper prepping.

  15. #15
    djm0242's Avatar
    djm0242 is offline At The Back Of The Pack Arm chair racerAt the back of the pack
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    So Knappy- how would I go about clear coating ppg 2021? Can of Krylon or Rustoleum? I'm attempting to be funny... I'm guessing you mix your own paints?
    79 110
    83 185S
    84 250R
    3x85 Big Reds
    85 200X
    85 ATC 70
    85 Tri-Zinger
    86 200x
    86 TRX 125
    87 TRX 250
    89 TRX 300
    98 TRX 450S
    03 TRX 350
    5 Foreman 500 4x4's
    You can never have enough! ATC250ES is still the best!

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