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Pinned So what have you done to your bike today?

Discussion in 'The Pub' started by kiffsta, Nov 3, 2013.

  1. ShaneP

    ShaneP Well-Known Member Premium Member Contributing Member

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    Not all bikes are the same, I think some modern MX bikes are just before TDC.
     
  2. my67xr

    my67xr Bike Enthusiast Staff Member Premium Member Contributing Member

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    That doesn't sound right if you have to start your kick at the highest point of compression ?
     
  3. risky

    risky risky

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    lovely leg but could you shave it.lol.
     
  4. Frankster

    Frankster See the World before you leave it Staff Member Premium Member Ride and Events Crew

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    Back from Tamworth/Gunnedah and TAFE tells me "come in Tuesday", so I do a few jobs for the wife and then get stuck into some carbs. I've brought my drag bike motor and carbs back from Tamworth to pop into the WASP for some testing over the next couple of months. The bike hasn't run for a while, so I pulled the carbs apart for a service and to blow everything out. I had a set of carbs due for a rebuild (for a mate), so I got stuck into them at the same time. He'd pulled them apart and cleaned one up. He'd bought all the right gaskets and O-rings from Litetek, so all looked pretty straight forward.

    ZXR250C A.jpg ZXR250C 01.jpg

    Pulled them apart and noticed they are those funky Keihin CVK30's that have the extra bit on their bowls for the water plumbing to attach to. I think Blair said this was for heating the fuel bowls. I've only ever seen these once before, but there was nothing with the carbs, so standard setup. The bowls were very tightly screwed down with a few damaged heads and the smell in two of them was gut turning. All gaskets were flat and hard as a rock, so replaced with Litetek.

    ZXR250C 03.jpg
    I had to drill a few out to get the bowls off. I reused any that weren't too damaged.

    Pulled all the jets out and a few mains were odd sized, so I grabbed a matching set from my inventory and set them for standard ZXR250C jetting...#35 pilots and 122;125;125;122 mains. The needles where disgusting and needed a good soak to get all the caked on fuel off them. N76U needles across all carbs.
    ZXR250C 02.jpg
    Noticed one of the airbox screws had been broken off in the bottom of carb number 1, but there's enough room to screw a shortened screw into it and hold. Not surprised about the broken bolt/screw as many of the screws were so tight it was hard to remove them without damaging something. One of the carbs was damaged where the holding bolt goes through all the carbs, so I had to do a little filing to make sure all the carbs could be joined together properly. All air/fuel set to 2.5 turns out. Bench synced and ready for running.
    ZXR250C 04.jpg
    ZXR250C 05.jpg
     
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  5. Andych

    Andych Well-Known Member Premium Member

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    i have made good use of the last couple of hours in here (Hospital) by ordering lots of bits and pieces I will need once I am back mobile again...
    Industrial size JB Weld, some more bolts, caliper paint and tomorrow I will probably order a caliper kit....
    I can’t get into trouble because I will be recuperating
    Well, that’s the theory anyway.
     
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  6. my67xr

    my67xr Bike Enthusiast Staff Member Premium Member Contributing Member

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    Good luck with the operation @Andych
     
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  7. 2valve

    2valve Well-Known Member Premium Member Contributing Member

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    I can attest to how much damage can be done to ones leg trying to fire up a big 4 stroke single if something goes wrong. The offending bike a Yamaha TT500 unknown bike to me , booted me back so hard it shredded my achilles tendon.Holy F---K Batman it hurt and my leg has never been the same even after 27 Year's. The epidural in the spine wasn't much fun either while the surgeon was looking for the right nerve. All of this just help a relative buy a bike :headbang:.
     
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  8. kiffsta

    kiffsta Administrator Staff Member Dirty Wheel Club Contributing Member

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    Well the good news is that I am in nowhere as much pain today, driving a manual does not help things :) . No teddy bear heat packs were harmed in the making on this thread. I crack myself up as heaps of people Warned me to be careful and somehow I still managed to hurt myself.
     
  9. maelstrom

    maelstrom LiteTek Staff Member Premium Member 250cc Vendor Contributing Member

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    Those nasty bastards (TT500) require a serious motocross boot. Yamaha RT360's are also known for shredding feet as well. To start a 450 Ducati single you have stand all of your weight on your right leg (RH kickstart lever) and wait for it to just start to move past TDC then swing all of your weight into it. There is no way you can kick it.
     
  10. ShaneP

    ShaneP Well-Known Member Premium Member Contributing Member

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    Decompression mechanism let's a lot of the compression off. Then you apply a lot of force and it kind of pops over TDC and runs quickly around to the next compression. But it has been a while since I've started one, so I might have it wrong.
     
  11. Frankster

    Frankster See the World before you leave it Staff Member Premium Member Ride and Events Crew

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    The old Thumper. What a great bike. You just had to think about giving it some and the front wheel started lifting off the ground.
     
  12. risky

    risky risky

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    bought another 1 ton block and tackle today at aldi-marked down to $20 and found a dollar in the trolley so only 19$. now will have one each side of the shed. off to sydney in morning to pick up a ladder stock picker so when i get around to storage in the roof will be able to stand on a platform.
     
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  13. risky

    risky risky

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    stock picker was in as new condition. cost was 106$ compared to $1435 new. petrol was dear in sydney as well as newcastle and tamworth.
     
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  14. Andych

    Andych Well-Known Member Premium Member

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    Started sorting out replacement bearings for the engine / gearbox on the SRX today.... wondering if they will be cheaper from an industrial supplier, Yamaha Aust (if they have them) or the likes of Wemoto, Megazip etc
    Just wondering about others experiences with this.
     
  15. ShaneP

    ShaneP Well-Known Member Premium Member Contributing Member

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    Some bearings are special-made, might be made by NSK, for example, but have to buy as a motorcycle part because they aren't even listed by NSK. Not all bearings are equal. Remove the seals on bearings in the engine. Ask for trade prices!
     
  16. Andych

    Andych Well-Known Member Premium Member

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    Hmmm well around US$300 delivered for all of them off Megazip... I will be checking around for better pricing I think.
     
  17. ShaneP

    ShaneP Well-Known Member Premium Member Contributing Member

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    I registered the Across yesterday and took it for a ride. A working bike after a month of having the other 2 in the shed - yes, I have 3 registered bikes at the moment. Buzz (zxr250) might sit in the shed for a while and think about what choices it has made with its overflowing carbies..
     
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  18. kiffsta

    kiffsta Administrator Staff Member Dirty Wheel Club Contributing Member

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    I sold the trident today , to be fair it is probably a mistake and I should have kept it, but the new owner is a well known restorer and won best bike at the laverda show 3 times , I expect the old girl will be restored and put on show next year.
     
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    Last edited: Oct 29, 2018
  19. Wozza

    Wozza Active Member Premium Member Contributing Member

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    Gave the new DIY bike work bench a tryout :)
     
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    Last edited: Nov 5, 2018
  20. Andych

    Andych Well-Known Member Premium Member

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    Looks pretty good @Wozza
    Do you have a ramp to get it up there? I like the tyre clamp better than the wind in item on my hydraulic lift... might have to change it when I get a chance.
     

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