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Thread: Yamaha RZ/Banshee build

  1. #76
    Join Date
    25th March 2004 - 17:22
    Bike
    RZ496/Street Triple R/GasGas/ etc etc
    Location
    Wellington. . ok the hutt
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    18,429
    In theory should provide better accoss the range but I've blocked them or used them depending upon what worked best for the bike.

    Spend a bunch of time making sure the float jet works reliably. I'd swap for keihin parts personally. Have to turn carb upside down to remove bowl, as also on PWK, as they are a copy, but also check float doesnt rub. Might need manipulation.
    I've been told. Dreaming`s free.
    Think I'll go, back to sleep.
    Everybody listen, voices in my head
    Everybody listen, do yours say, what mine says?

  2. #77
    Join Date
    5th December 2010 - 23:03
    Bike
    rgv250 vj22
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    Palmy
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    72
    I am definitely going to need to do something about the clutch arm, it is very stiff with the heavy duty springs.
    I also mounted the RD350LC stator. I had to drill and slot two of the holes to get it to fit on the banshee cases. I used a dial gauge to set the static advance to 25 degrees.
    Click image for larger version. 

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  3. #78
    Join Date
    25th March 2004 - 17:22
    Bike
    RZ496/Street Triple R/GasGas/ etc etc
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    Wellington. . ok the hutt
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    If it's not a big hp engine you can get away with every 2nd spring heavy and alternate std springs. Mine is grazing 100hp so I have extra plate conversion and all stiff but longer arm helps.
    I've been told. Dreaming`s free.
    Think I'll go, back to sleep.
    Everybody listen, voices in my head
    Everybody listen, do yours say, what mine says?

  4. #79
    Join Date
    5th December 2010 - 23:03
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    rgv250 vj22
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    Palmy
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    I was thinking that, Iíll see what some springs will set me back.

  5. #80
    Join Date
    25th March 2004 - 17:22
    Bike
    RZ496/Street Triple R/GasGas/ etc etc
    Location
    Wellington. . ok the hutt
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    If I remember I'll go have a look. Cant remember what I have but have come into several sets from various kits.

    Longer arm is worth it anyway and virtually free.
    I've been told. Dreaming`s free.
    Think I'll go, back to sleep.
    Everybody listen, voices in my head
    Everybody listen, do yours say, what mine says?

  6. #81
    Join Date
    5th December 2010 - 23:03
    Bike
    rgv250 vj22
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    Palmy
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    72
    Carbs are here and they fit . . . Just. I might make a small spacer up to help them clear everything. Jetting wise they come with a JJH Needle, 112MJ and a 32 Pilot the power jet doesnít seem to have a size on it. But Iím hoping I only need to change the main jet to sort out any tuning.
    It seems the pilots are usually in the 45-55 range on banshees with the pwk and the mains in the 145-155 range without power jets.
    If the power jet is around a 30 hopefully the mains are roughly the right size to at least start mucking around with the bike.
    Click image for larger version. 

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  7. #82
    Join Date
    25th March 2004 - 17:22
    Bike
    RZ496/Street Triple R/GasGas/ etc etc
    Location
    Wellington. . ok the hutt
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    18,429
    Sorry had a few. I've just popped down
    To the garage. Hope you understand the wife is ready to go so time is limited. Found 3 heavy duty springs at 44mm long. Yours if you want them.

    Busy making irrigation holes.
    I've been told. Dreaming`s free.
    Think I'll go, back to sleep.
    Everybody listen, voices in my head
    Everybody listen, do yours say, what mine says?

  8. #83
    Join Date
    5th December 2010 - 23:03
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    rgv250 vj22
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    Palmy
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    Thank you. you wouldnít by chance have standard clutch springs? As I already have heavy duty ones and no standard ones?

  9. #84
    Join Date
    25th March 2004 - 17:22
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    Ahh yes those too. Pm me your address and when I can get past a post office ill send them.
    I've been told. Dreaming`s free.
    Think I'll go, back to sleep.
    Everybody listen, voices in my head
    Everybody listen, do yours say, what mine says?

  10. #85
    Join Date
    5th December 2010 - 23:03
    Bike
    rgv250 vj22
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    Palmy
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    72
    Iíve made some progress over the last week:
    -fitted radiator hoses
    -fitted the new jets 55 pilot and 120 main, the power jet is 27 or something like that
    -fitted the new reeds and manufactured spacers so the carbs donít foul on the clutch cable
    -wired in a plug for the zeeltronic
    -started making a map based off the 31k stock map
    -ordered the braided brake lines
    -installed the clutch springs, the pull is still quite heavy.
    -manufactured reducers for inside the tailpipe (24.5mm)

    I will be able to at least start the bike soon which will be exciting. Iím also waiting on some gauges and valves from China to put together some leak down testing equipment before doing any riding of the bike.

    Now I need to:
    -install the brake lines and bleed the brakes
    -shorten the throttle cable and carb springs (the springs are too stiff and the cables are far too long)
    -fill with coolant
    -sort gear shift rod
    -order quickshifter sensor (once itís running)
    -order rear shock (later on)
    -fit fairing
    -shorten clutch cable (from a banshee and about 3km too long)

    Click image for larger version. 

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  11. #86
    Join Date
    25th March 2004 - 17:22
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    RZ496/Street Triple R/GasGas/ etc etc
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    Wellington. . ok the hutt
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    You can make the clutch lever arm on the engine about 8-10mm longer without screwing up the cable direction too much. This helps and it's not very visible, cut, extend, weld. I might've made the cable holder a bit more angled with a grinder, can't remember.
    I've been told. Dreaming`s free.
    Think I'll go, back to sleep.
    Everybody listen, voices in my head
    Everybody listen, do yours say, what mine says?

  12. #87
    Join Date
    5th December 2010 - 23:03
    Bike
    rgv250 vj22
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    Palmy
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    72
    Iíll get it running then maybe give that clutch extension a go.
    Today I made the pull/pushrod for the gear shifter and tapped the head 1/8npt for the rgv temp sensor. Click image for larger version. 

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    Now I just need to move the zeeltronic as I donít like itís proximity to the spark plugs and the ignition coil. (Iím not sure whether it will effect anything).

  13. #88
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    25th March 2004 - 17:22
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    RZ496/Street Triple R/GasGas/ etc etc
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    Totally it shouldn't be near. Use resistor caps and resistor plugs. Keep power feed and pulsar coil wires away from ignition coil wires.
    I've been told. Dreaming`s free.
    Think I'll go, back to sleep.
    Everybody listen, voices in my head
    Everybody listen, do yours say, what mine says?

  14. #89
    Join Date
    5th December 2010 - 23:03
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    rgv250 vj22
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    Palmy
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    Today I made a leak down tester. My valves and gauges showed up in under a week from China via AliExpress. Tonight I did a leak down test and found a leak on the RHS cylinder transfers and one from the reed block.
    Click image for larger version. 

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  15. #90
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    5th December 2010 - 23:03
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    rgv250 vj22
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    Palmy
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    72
    One step forward and three back . . .
    The repaired cylinder stud happened to crack its weld in the HAZ, my stupid fault for using the wrong filler in the first place.
    Yesterday, I took the engine out and stripped it down. Today I repaired the broken bit of case with 4043 filler after grinding out a decent chunk of the dirty material. Then used an m8x1.25 recoil in the hole with a new stud. Now itís all assembled for a leak down test and happens to leak from 6.5-4.75 PSI over 30 mins. The leak is from the LH cylinder LH transfer port. Too much for today to pull it apart again.
    Click image for larger version. 

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    I also extended the clutch arm about 10mm.

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