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Project 72 Honda SL125

Discussion in 'Other Projects - Other Bikes (non 250's)' started by Andych, Jun 28, 2020.

  1. Andych

    Andych Senior Member Premium Member

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    My Bike:
    1987 Yamaha SRX250, Honda 1975 CB400F, Honda 1991 250 Spada, Honda CT110 1986 Postie Bike
    So... I swapped the Posite bike for 2 very rough Honda K1 (1972) SL125's, neither in running condition and needing lots of love... so this will end up a longer term Project I guess..

    I really didnt look too hard at the bikes when the swap was done as the Postie was being temperamental and wouldnt start but the deal went through anyway.. I should really have looked closer but given how hard these critters are to find I would have done it anyway....

    So... what is wrong? Well the following pic should tell the story on one of the bikes...
    UNADJUSTEDNONRAW_thumb_13c8.jpg
    Both downtubes have been Brazed top and bottom and dont line up too well... so that is one frame that probably wont be used again.. without a lot of work...
    As can be seen.. the quality of the work isnt too good either..
    UNADJUSTEDNONRAW_thumb_13d0.jpg
    UNADJUSTEDNONRAW_thumb_13c9.jpg

    At least the other frame looks (cursory look at this point) to be all in one piece with no repairs done so that is a bonus.
    The tanks are a real bonus... both are rust free with one of them being as clean a whistle inside... looks and smells like some fuel and Redex has been put in it and sloshed around so very happy with that.

    UNADJUSTEDNONRAW_thumb_13c1.jpg
    UNADJUSTEDNONRAW_thumb_13c2.jpg
    UNADJUSTEDNONRAW_thumb_13c3.jpg
    UNADJUSTEDNONRAW_thumb_13c4.jpg

    Both engines turn over and appear to have reasonable compression but at least one will be given a full Reco but it is good to have a spare. I will try to get at least one of them to run before pulling then out of the frames... although 1 carby is pretty banged up.
    I took the Battery box out of the worst one (dead frame bike) and was surprised at the carby side of the Air cleaner...
    UNADJUSTEDNONRAW_thumb_13ca.jpg
    But then I opened up the inlet side....

    UNADJUSTEDNONRAW_thumb_13cb.jpg
    UNADJUSTEDNONRAW_thumb_13cc.jpg


    I am guessing nobody took notice of this label for quite a while...

    UNADJUSTEDNONRAW_thumb_13cd.jpg
    I am also going to need to either make myself a new Wiring Loom or buy one from Thailand... hmmmm I will ponder that dilemma a bit longer...lol

    UNADJUSTEDNONRAW_thumb_13ce.jpg
    UNADJUSTEDNONRAW_thumb_13cf.jpg
    I am now on the lookout for a rear mudguard... Honda in their wisdom make the SL100 rear guard different to the SL125 and the XL100 and XL125 are all different as well..
    Same for the front guard... yep, need one of those as well.. preferably the original metal version (about as common as Unicorn Turds), Seat (somewhat easier to find... but expensive) and the gold plated (must be for the $$) side covers.
    Other than that it is a piece of cake to do the Resto... lol

    As I said at the beginning... probably a longer term project for now.

    UNADJUSTEDNONRAW_thumb_13c0.jpg
    UNADJUSTEDNONRAW_thumb_13c6.jpg
     
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  2. Murdo

    Murdo The Good Doctor Staff Member Premium Member Ride and Events Crew Contributing Member

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    There was a bloke on the gold coast making fiberglass sidecovers and I think I paid something like $75 each for them and then had to paint. The wiring loom from Thailand I used was plug and play. The rims and spokes plus other bits from below.
    https://www.ebay.com/sch/m.html?_ss...0.Xhonda+sl125.TRS0&_nkw=honda+sl125&_sacat=0
    Seat.
    https://www.ebay.com/itm/BRAND-NEW-...621102?hash=item234c7573ae:g:clIAAOSwe-FU9EG5
    Clocks.
    https://www.ebay.com/itm/HONDA-CB12...333735?hash=item53ee4d5fa7:g:KRwAAOSwbF1aAtly
    Carb.
    https://www.ebay.com/itm/HONDA-SL10...711106?hash=item5409fb35c2:g:1CEAAOSwaNBUdinz
    Spokes.
    https://www.ebay.com/itm/HONDA-SL12...009645?hash=item544a40bd6d:g:WmoAAOSwKPNTyMN-
    Etc.
     
    Last edited: Jun 28, 2020
  3. Andych

    Andych Senior Member Premium Member

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    Cheers @Murdo, I have seen the Fibreglass side covers, they will certainly do for what I want. Good to know about the Wiring Loom too.. I will wait and see how rusty my rims are before making up my mind on what to do there.... forks are going to need re-chroming, might look at getting the rims either re-chromed or Black Chrome powder coated depending on $$
    Did you end up just picking a heavy metallic Silver for yours or did you find an actual Honda colour. I think it is designated NH44 but most paint places have no idea on Honda motorcycle paint codes.
     
  4. Murdo

    Murdo The Good Doctor Staff Member Premium Member Ride and Events Crew Contributing Member

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  5. Murdo

    Murdo The Good Doctor Staff Member Premium Member Ride and Events Crew Contributing Member

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  6. Murdo

    Murdo The Good Doctor Staff Member Premium Member Ride and Events Crew Contributing Member

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    The best match to the paint I found was Ford silver ash, a 1980's Falcon colour. It will cost you far more to rechrome the rims and spokes than to buy the Thailand ones, and if your hubs are no good then just get the whole wheels ready built.
     
  7. Andych

    Andych Senior Member Premium Member

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    Cheers, I have that front guard in my watchlist.
    I do have a plastic XL125 front guard coming that was cheap so I will see how that looks.

    I can’t believe the price of the Decal sets lol.
    Seems everything for the little SL’s are super expensive lol

    Mind you I can source a Maint free battery for $35 which is far cheaper than the Acid batteries


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  8. Andych

    Andych Senior Member Premium Member

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    Looks like I can get my hands on an SL125 front end with Metal Guard (looks the same as the SL175 guard to be honest) and a complete headlight bucket so that should resolve that part of it...
    I also found this rear guard (76 XL125) in the USA... expensive but... it looks to be pretty much the same shape overall as the SL125 where later XL's had a completely different rear guard.
    76 XL100 rear guard.jpg
    Might have to sell off one of the tanks and a motor to help pay for these bits and pieces lol
     
  9. my67xr

    my67xr Bike Enthusiast Staff Member Premium Member Contributing Member

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  10. Andych

    Andych Senior Member Premium Member

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    Cheers for that... It will help a little further down the line... I think I need to get @Murdo to take some detailed pics for me on his Museum piece SL125 just for clarity on what it should look like.
    Some have the black stripe down the middle of the tank, others dont, different rear guards etc... Honda were not really very good on the commonality of parts were they... unlike Yamaha who seemed to have a big bin of common parts they used across lots of models.
     
  11. Murdo

    Murdo The Good Doctor Staff Member Premium Member Ride and Events Crew Contributing Member

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    I dunno about that. The switches, blinkers, head and tail light, levers, etc are the same as CB's of the same era.
    My SL125 now lives in Grafton.
    bike show 048.JPG
     
  12. Andych

    Andych Senior Member Premium Member

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    I have managed to sort out a front guard, comes with another set of forks, triple tree, front wheel and complete headlight. He also had an early CB tail light bracket which while not identical will work.
    Wiring harness is on its way as well.
    I am yet to organize a rear guard ( have my eye on one from the USA from an XL100) and a seat.
    The guy in Murray Bridge has one shown in an eBay ad but it looks like he doesn’t reply to my messages.
    Might send him one form “her inside” EBay. But, he is notoriously expensive.

    I think I have a close match for the paint and I found a better (cheaper) source for tank decals.

    I might investigate ways to salvage that brazed up frame and make a little paddock basher from the leftovers lol


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  13. risky

    risky risky

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    be careful there.
     
  14. Andych

    Andych Senior Member Premium Member

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    Careful where??


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  15. risky

    risky risky

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    an ebay seller.
     
  16. Andych

    Andych Senior Member Premium Member

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    Still not sure what you mean!!!!
    If you are talking about Old Mate in Murray Bridge I know all about him but if you aren’t then I am lost.
    Generally more than I sentence with only 3 words helps people understand a little more.


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  17. risky

    risky risky

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    seller in murray bridge does not always supply the quality you think you are getting.
     
  18. Andych

    Andych Senior Member Premium Member

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    I know all about Old Mate in Murray bridge... and to be honest.. if I am enquiring on a 1972 used seat that looks pretty ratty in the pics, I am not expecting much.
    Thankfully he says it is already sold.. may end up having to go with a reproduction seat out of Thailand...
     
  19. risky

    risky risky

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    i reckon the repro seat out of thailand is the best solution and cheaper in the long run.
     
  20. Andych

    Andych Senior Member Premium Member

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    Not that sure it is cheaper in the long run at approx $200 delivered.
    There is a cheaper one but the seat pattern is wrong and it isn’t much cheaper anyway.



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