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Thread: MB100 development

  1. #106
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    25th March 2004 - 17:22
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    Hmm, why do the left & right oil seals, which are clearly different sizes, different part numbers: - share the same description measurements?

    oh well I ordered some more a few mins ago anyway before I knew the numbers.
    Don't you look at my accountant.
    He's the only one I've got.

  2. #107
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    Quote Originally Posted by F5 Dave View Post
    Hmm, why do the left & right oil seals, which are clearly different sizes, different part numbers: - share the same description measurements?

    oh well I ordered some more a few mins ago anyway before I knew the numbers.
    I looked at that myself A typo as they are different the part numbers and sizes are above.out of my note book along with some old prices interesting to see how much they will have gone up.

    To clearify the H100?Mb100 thing.
    My take is the MB100 and H100a big fining and CDI are essentially the same bike. The Hayes manual doesn't even mention the MB100.
    The S is what NZ knows as the H100 points and straight fining.But yet produced later than the MB100.
    Thats my take on it.
    The H100SII which I have only seen in the Hayes manual had the H100 motor in a frame with downtubes bolted on.It is ugly will post some pics.Whoops it also has CDI I didn't know that.
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    Kinky is using a feather. Perverted is using the whole chicken

  3. #108
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    Through Econo Honda as that was super convenient & should be good value (never used them before) was $48 inc courier, Yeah I was expecting less too. But the big H must have heard I didn't like 'ondas & instructed I be given a special price.
    Don't you look at my accountant.
    He's the only one I've got.

  4. #109
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    Quote Originally Posted by F5 Dave View Post
    Through Econo Honda as that was super convenient & should be good value (never used them before) was $48 inc courier, Yeah I was expecting less too. But the big H must have heard I didn't like 'ondas & instructed I be given a special price.
    Here is the prices I paid years ago Id say you did alright. $51.78 for both in other part of my diary. It would have been early 95 it was just after the last Wigram Bucket GP.
    It was a bugger of a meeting for me.Magneto blew to bits (could have removed a little too much)
    Left exhaust behind (Yes really)
    Left Long range Tank (STD) behind Yes Really.
    Lucky the old man drove the 600km round trip and delivered them for me.
    Replacement flywheel someone kindly lent me touched the coils and crank seized.
    Well the Mag side bearing collapsed. As a result the flywheel was hitting the stator probably the reason the original flywheel blew to bits or the result of it.
    The rest of the stuff was replaces as a precaution as it was discovered the Mag bearing was a std style bearing (as in Wheel bearing.)
    They don't have three oil seals do they? surely not.
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    Kinky is using a feather. Perverted is using the whole chicken

  5. #110
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    Quote Originally Posted by husaberg View Post
    it was just after the last Wigram Bucket GP.
    First meeting I ever raced a Bucket at
    "If you can make black marks on a straight from the time you turn out of a corner until the braking point of the next turn, then you have enough power."


    Quote Originally Posted by scracha View Post
    Even BP would shy away from cleaning up a sidecar oil spill.
    Quote Originally Posted by Warren Zevon
    Send Lawyers, guns and money, the shit has hit the fan

  6. #111
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    Quote Originally Posted by Kickaha View Post
    First meeting I ever raced a Bucket at
    Worst meeting I ever raced a bucket at.
    Remember the little Asian Dude on the RG50 he had style. Not very fast though. but total knee down and out. A case of style over substance?
    I wonder who lent me the Magneto?



    Kinky is using a feather. Perverted is using the whole chicken

  7. #112
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    Quote Originally Posted by husaberg View Post
    Worst meeting I ever raced a bucket at.
    I got lost with all the cones

    Quote Originally Posted by husaberg View Post
    Remember the little Asian Dude on the RG50 he had style. Not very fast though. but total knee down and out. A case of style over substance?
    Nope
    I had only turned up to watch and Tony mac and Mark Butchart bullied me into doing a race
    "If you can make black marks on a straight from the time you turn out of a corner until the braking point of the next turn, then you have enough power."


    Quote Originally Posted by scracha View Post
    Even BP would shy away from cleaning up a sidecar oil spill.
    Quote Originally Posted by Warren Zevon
    Send Lawyers, guns and money, the shit has hit the fan

  8. #113
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    Quote Originally Posted by husaberg View Post
    It would have been early 95 it was just after the last Wigram Bucket GP.
    I've still got the trophy, Ziffle came 2nd, even after we both crashed on the same lap.

    Hilleye you need to take the Black & Decker and the cold chisel off whoever does your porting, that is seriously horrible. The hone job is a roughy as well. All my cylinder boring and honing is done by my local kart shop guys now. They may charge a bit more but everything is perfect when you get it back.

    My old MB engine lasted 6 years of thrashing at all sorts of places including Manfeild, Pukekohe, Wanganui, and a few kart tracks. It made 22.5 hp when I built it and 21.8hp shortly before I blew it up. It still had the same piston and ring and sparkplug. Just for a laugh I have transplanted the sparkplug to my new engine. The rod in my Avatar is genuine Honda.

    My old 19.9hp MB100 sidecar engine revved to 14,000rpm and lasted 6 years as well before a thrust washer finally nipped up. It had all original Honda parts.

    I've used TKRJ and Pro-X rods and pistons as well with no complaints.

  9. #114
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    Great reading here: http://en.wikipedia.org/wiki/Anorak_(slang)

    EDI: R.E. H/MB Model details.
    Heinz Varieties

  10. #115
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    yeah that Wigram GP wasn't the best result for me either. My poor 50 was running rough as guts all race. It finally stopped, but when I looked down the problem was the GP125 inlet rubber had split & the carb was swinging in the breeze. Think that Mike & me stayed with Tony Mac. A tradition of generosity that has continued to this day.
    Don't you look at my accountant.
    He's the only one I've got.

  11. #116
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    Quote Originally Posted by Kickaha View Post
    I got lost with all the cones
    Just say no kids,.
    Don't you look at my accountant.
    He's the only one I've got.

  12. #117
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    Quote Originally Posted by speedpro View Post

    Hilleye you need to take the Black & Decker and the cold chisel off whoever does your porting, that is seriously horrible. The hone job is a roughy as well.
    Blame Dangerous, it's his old bike. I just brought it like this. At this stage to be honest, it's not to much of a major because I'm just learning the basics of racing, but more power would be awesome (particularly another 8 rwhp, that's like a 50+% gain on current power) .

    Bike must have made reasonable power before I got it, because it was geared so high it wouldn't pull 6th and barely pulled 5th. I doubt Dangerous would have ridden it like this, so he must have had it producing a healthy amount otherwise it would have been geared lower. It would have been geared somewhere in the vicinity of 140-150km/h when I got it. Currently it's geared for 122km/h, which it hits about 3/4 of the way down the main straight at Ruapuna.

    I take it the solution is to throw that barrel away and start over with a new one ported properly. I'll find a new barrel and send it to someone to sort. Getting involved in porting is out of my depth at the moment. Actually most stuff is out of my depth, but we'll give some of it a crack.
    Hilleye

    If it doesn't bring a tear to your eye, add a little more fully synth 2T to the mix.

  13. #118
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    Quote Originally Posted by Hilleye View Post
    Bike must have made reasonable power before I got it, because it was geared so high it wouldn't pull 6th and barely pulled 5th. I doubt Dangerous would have ridden it like this, so he must have had it producing a healthy amount otherwise it would have been geared lower.
    It would rev out in top gear down the back straight at Levels when he first got it

    One of the fastest Buckets at the time was DC on his MB/RS and it was roughly the same in top speed as his
    "If you can make black marks on a straight from the time you turn out of a corner until the braking point of the next turn, then you have enough power."


    Quote Originally Posted by scracha View Post
    Even BP would shy away from cleaning up a sidecar oil spill.
    Quote Originally Posted by Warren Zevon
    Send Lawyers, guns and money, the shit has hit the fan

  14. #119
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    Quote Originally Posted by Hilleye View Post
    Blame Dangerous, it's his old bike. I just brought it like this. At this stage to be honest, it's not to much of a major because I'm just learning the basics of racing, but more power would be awesome (particularly another 8 rwhp, that's like a 50+% gain on current power) .
    Mike (SP) wouldent do that LOL.
    Now like I have already said, yes you brought it like it is rough as engeneering HOWEVER, it was running good not the best it ever has but still very well.
    Strokers can change tuning in a second its the nature of the beast. The bike was running about as powerfull as a air head 100 with std piston could, so there is obviously an issue.



    Quote Originally Posted by Hilleye View Post
    I take it the solution is to throw that barrel away and start over with a new one ported properly. I'll find a new barrel and send it to someone to sort. Getting involved in porting is out of my depth at the moment. Actually most stuff is out of my depth, but we'll give some of it a crack.
    A good idea, it will mean welding a reed block to it ofcourse. see below for the back ground of the bike.



    Quote Originally Posted by Hilleye View Post
    Bike must have made reasonable power before I got it, because it was geared so high it wouldn't pull 6th and barely pulled 5th. I doubt Dangerous would have ridden it like this, so he must have had it producing a healthy amount otherwise it would have been geared lower. It would have been geared somewhere in the vicinity of 140-150km/h when I got it. Currently it's geared for 122km/h, which it hits about 3/4 of the way down the main straight at Ruapuna.
    It made very good power and as above strokers can detune just in a weather change, I dont think this is the reasoning here.
    Early 140's is what I remember it cranking.
    The Bike was built in 1977 in a back yard in chch, the frame was replicated of a MT gp bike of that area, a CR125 was fitted and Steve Ward won many a title on it. There is a sistrer bike still with the CR in it hidden in town.
    Somewere along the track it was basterised into a bucket, I asume buy a guy with the right idea but little hands on knolage. The idea was good but the workmanship crap, it did however work but was difficult to tune.
    The guy I got it off and his son I dont think had any bucket racing experance and it was never raced as one IIRC.

    Now Im sure it had a RG carb on it when I brought it, it sat on a heavy angle and the bole wouldent hold enough gas when wide open, so I think I got a TZR carb off yowling which sat more level and went well.
    At a early stage the piston lost a corner so I bored and fitted a new piston kit. This bore may have ultered the port height slightly and was tricky to tune, I however still got a 2nd 0r 3rd in the south Is cup.
    The bike slowly became harder to tune I think it was the carb but instead of replacing it I fucked about tuning it poorley... hey I was learning to aye.
    Time for a freshen up and Russle thomas wasent happy with the squared bore (even tho it worked ok) so it was tidied up the only way to do this was to carve out the top and bottom I expect (ask brenchch he did the work) this proberly did ulter the port height slash timing to a point I never had its full power back but it still ran well... at this point I sold the bike to you.




    Quote Originally Posted by Kickaha View Post
    It would rev out in top gear down the back straight at Levels when he first got it

    One of the fastest Buckets at the time was DC on his MB/RS and it was roughly the same in top speed as his
    Yeh it had its moments aye, typical girl I mean stroker, sweet when on song, a right bitch other wise.
    cheers DD
    (Definately Dodgy)



  15. #120
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    Quote Originally Posted by speedpro View Post
    I've used TKRJ and Pro-X rods and pistons as well with no complaints.
    For future reference. Are there NZ agents for TKRJ and Pro-X or do you order direct online?
    Hilleye

    If it doesn't bring a tear to your eye, add a little more fully synth 2T to the mix.

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