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Carb and Fuel

Carb and Fuel

Ahh…  the stench of stale fuel when you open the tank, those nasty deposits crusted in the float bowl, the crispy float bowl gasket that just broke into 10 pieces… …  the joys of working  on a neglected bike…  but don’t fret, that’s where Z1 Enterprises comes in.

 

In 2003 when Z1 Enterprises was started, the first parts added were to help work on carburetors and petcocks.  Today, we have an excellent selection of repair and replacement parts – ranging from carb and petcock rebuild kits, new petcocks, individual jets, gaskets and o-rings and more – lots more.  We also have related parts like carb holders and airbox hoses, numerous tools and manuals to help make the repair job easier. 

 

Carburetors meter fuel into the engine and are part of a complex pairing of parts that make the bike run efficiently.  In short, if you do anything to increase air flowing through the engine and exhaust, you have to change the fuel delivery a similar amount. 

 

If you change exhaust systems or remove baffles, invariably you have to rejet.  Change the airbox and replace with individual filters, you need to rejet.  Increase the size of the engine, change cams and more, you have to rejet.  You’re probably getting the picture now – when you change ANYTHING related to air flow through the engine, you typically have to consider corresponding changes to the carbs. 

 

Don’t assume previous owners knew what they were doing when they slapped a 4-1 pipe other bike.  The chances are they didn’t.  So one of the first things we suggest when you start working on carbs, take an inventory of what is in the carbs – the pilot and main jets, the needle clip setting – and check against the shop manual or online fiche to see if they are stock, or have been swapped out.

 

Every bike is different, but to illustrate the issue -if you change the factory exhaust system on a KZ1000 for a free flowing 4-1 exhaust, you usually need to increase the main jet by 3 or 4 sizes, the pilot jet by one size, and you need to raise the needle. 

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  1. Keihin 99101-393 Type Round Main Jets #105
    Part #
    200-4451
    Honda CV/CVK/VB/VD and VE some PD & PE carbs- Kawasaki CV and CVK carbs- Main Air Jet For FCR (Round Jet With Slotted Head) Sold Individually 
  2. Keihin 99101-393 Type Round Main Jets #103
    Part #
    200-4449
    Honda CV/CVK/VB/VD and VE some PD & PE carbs- Kawasaki CV and CVK carbs- Main Air Jet For FCR (Round Jet With Slotted Head) Sold Individually 
  3. Keihin 99101-393 Type Round Main Jets #100
    Part #
    200-4446
    Honda CV/CVK/VB/VD and VE some PD & PE carbs- Kawasaki CV and CVK carbs- Main Air Jet For FCR (Round Jet With Slotted Head) Sold Individually 
  4. Keihin 99101-393 Type Round Main Jets #98
    Part #
    200-4444
    Honda CV/CVK/VB/VD and VE some PD & PE carbs- Kawasaki CV and CVK carbs- Main Air Jet For FCR (Round Jet With Slotted Head) Sold Individually 
  5. Keihin 99101-393 Type Round Main Jets #95
    Part #
    200-4441
    Honda CV/CVK/VB/VD and VE some PD & PE carbs- Kawasaki CV and CVK carbs- Main Air Jet For FCR (Round Jet With Slotted Head) Sold Individually 
  6. Keihin 99101-393 Type Round Main Jets #93
    Part #
    200-4439
    Honda CV/CVK/VB/VD and VE some PD & PE carbs- Kawasaki CV and CVK carbs- Main Air Jet For FCR (Round Jet With Slotted Head) Sold Individually 
  7. Keihin 99101-393 Type Round Main Jets #90
    Part #
    200-4436
    Honda CV/CVK/VB/VD and VE some PD & PE carbs- Kawasaki CV and CVK carbs- Main Air Jet For FCR (Round Jet With Slotted Head) Sold Individually 
  8. Keihin 99101-393 Type Round Main Jets #88
    Part #
    200-4434
    Honda CV/CVK/VB/VD and VE some PD & PE carbs- Kawasaki CV and CVK carbs- Main Air Jet For FCR (Round Jet With Slotted Head) Sold Individually 
  9. Keihin 99101-393 Type Round Main Jets #85
    Part #
    200-4431
    Honda CV/CVK/VB/VD and VE some PD & PE carbs- Kawasaki CV and CVK carbs- Main Air Jet For FCR (Round Jet With Slotted Head) Sold Individually 
  10. Keihin 99101-393 Type Round Main Jets #83
    Part #
    200-4429
    Honda CV/CVK/VB/VD and VE some PD & PE carbs- Kawasaki CV and CVK carbs- Main Air Jet For FCR (Round Jet With Slotted Head) Sold Individually 
  11. Keihin 99101-393 Type Round Main Jets #80
    Part #
    200-4426
    Honda CV/CVK/VB/VD and VE some PD & PE carbs- Kawasaki CV and CVK carbs- Main Air Jet For FCR (Round Jet With Slotted Head) Sold Individually 
  12. Keihin 99101-393 Type Round Main Jets #78
    Part #
    200-4424
    Honda CV/CVK/VB/VD and VE some PD & PE carbs- Kawasaki CV and CVK carbs- Main Air Jet For FCR (Round Jet With Slotted Head) Sold Individually 
  13. Keihin 99101-393 Type Round Main Jets #75
    Part #
    200-4421
    Honda CV/CVK/VB/VD and VE some PD & PE carbs- Kawasaki CV and CVK carbs- Main Air Jet For FCR (Round Jet With Slotted Head) Sold Individually 
  14. Keihin 99101-393 Type Round Main Jets #73
    Part #
    200-4419
    Honda CV/CVK/VB/VD and VE some PD & PE carbs- Kawasaki CV and CVK carbs- Main Air Jet For FCR (Round Jet With Slotted Head) Sold Individually 
  15. Keihin 99101-393 Type Round Main Jets #70
    Part #
    200-4416
    Honda CV/CVK/VB/VD and VE some PD & PE carbs- Kawasaki CV and CVK carbs- Main Air Jet For FCR (Round Jet With Slotted Head) Sold Individually 
  16. Keihin 99101-393 Type Round Main Jets #68
    Part #
    200-4414
    Honda CV/CVK/VB/VD and VE some PD & PE carbs- Kawasaki CV and CVK carbs- Main Air Jet For FCR (Round Jet With Slotted Head) Sold Individually 
  17. Keihin 99101-393 Type Round Main Jets #65
    Part #
    200-4411
    Honda CV/CVK/VB/VD and VE some PD & PE carbs- Kawasaki CV and CVK carbs- Main Air Jet For FCR (Round Jet With Slotted Head) Sold Individually 
  18. Keihin 99101-393 Type Round Main Jets #63
    Part #
    200-4409
    Honda CV/CVK/VB/VD and VE some PD & PE carbs- Kawasaki CV and CVK carbs- Main Air Jet For FCR (Round Jet With Slotted Head) Sold Individually 
  19. Keihin 99101-393 Type Round Main Jets #60
    Part #
    200-4406
    Honda CV/CVK/VB/VD and VE some PD & PE carbs- Kawasaki CV and CVK carbs- Main Air Jet For FCR (Round Jet With Slotted Head) Sold Individually 
  20. Carb Float Bowl Gasket 4-Pk XV920
    Part #
    KL18-8994
    Equivalent to OEM: 10L-14984-01-00- Set of 4 - Fits Yamaha XV700L/LC/N/NC/CS/CSC/CT/CTC/SS/SSC- XV920K/MK- XV1000L/LC/N/NC- XV1100S/SC/T/TC. 
  21. Carb Float Bowl O-ring 4-Pk KZ550 ZX550
    Part #
    KL18-4770
    Equivalent to OEM: 92055-1128 Set of 4 - Fits Kawasaki KZ550A4 (83)- KZ550-F1/F2/H1/H2/M1- ZX550A1-A3. 
  22. Mikuni Carb O-Ring 2.7x2.0 (1)
    Part #
    KL18-4639-1
    Mikuni Carb O-Ring 2.7mm x 2.0mm (Individual) 
  23. Mikuni Carb O-Ring 2.7x2.0 (25 Pk)
    Part #
    KL18-4639
    Mikuni Carb O-Ring 2.7mm x 2.0mm (25 Pack) 
  24. Mikuni Carb O-Ring 6.6x1.5 (1)
    Part #
    KL18-4638-1
    Mikuni Carb O-Ring 6.6mm x 1.5mm (Individual) 
  25. Mikuni Carb O-Ring 6.6x1.5 (25 Pk)
    Part #
    KL18-4638
    Mikuni Carb O-Ring 6.6mm x 1.5mm (25 Pack) 
  26. Mikuni Carb O-Ring 10.2x1.4 (1)
    Part #
    KL18-4637-1
    Mikuni Carb O-Ring 10.2mm x 1.4mm (Individual) 
  27. Mikuni Carb O-Ring 10.2x1.4 (25 Pk)
    Part #
    KL18-4637
    Mikuni Carb O-Ring 10.2mm x 1.4mm (25 Pack) 
  28. Mikuni Carb O-Ring 2.4x1.6 (25 Pk)
    Part #
    KL18-4636
    Mikuni Carb O-Ring 2.4mm x 1.6mm (25 Pack) 
  29. Mikuni Carb O-Ring 4.8x1.9 (1)
    Part #
    KL18-4635-1
    Mikuni Carb O-Ring 4.8mm x 1.9mm (Individual) 
  30. Mikuni Carb O-Ring 4.8x1.9 (25 Pk)
    Part #
    KL18-4635
    Mikuni Carb O-Ring 4.8mm x 1.9mm (25 Pack) 
  31. Mikuni Carb O-Ring 3.7x1.8 (1)
    Part #
    KL18-4634-1
    Mikuni Carb O-Ring 3.7mm x 1.8mm (Individual) 
  32. Mikuni Carb O-Ring 3.7x1.8 (25 Pk)
    Part #
    KL18-4634
    Mikuni Carb O-Ring 3.7mm x 1.8mm (25 Pack) 
  33. Mikuni Carb O-Ring 3x1.0 (1)
    Part #
    KL18-4632-1
    Mikuni Carb O-Ring 2.65mm x 1.15mm (Individual) 
  34. Mikuni Carb O-Ring 3x1.0 (25 Pk)
    Part #
    KL18-4632
    Mikuni Carb O-Ring 2.65mm x 1.15mm (25 Pack) 
  35. Mikuni Carb O-Ring 7.5x1.5 (1)
    Part #
    KL18-4631-1
    Mikuni Carb O-Ring 7.5mm x 1.5mm (Individual). Equivalent to OEM 92055-1105. Used on the float needle valve assembly on: KZ1000J/K/M/P/R, KZ1100, KZ650H2/H3, KZ700, KZ750/L/M/R, ZN1100, ZX750A 
  36. Mikuni Carb O-Ring 7.5x1.5 (25 Pk)
    Part #
    KL18-4631
    Mikuni Carb O-Ring 7.5mm x 1.5mm (25 Pack) Equivalent to OEM 92055-1105. Used on the float needle valve assembly on: KZ1000J/K/M/P/R, KZ1100, KZ650H2/H3, KZ700, KZ750/L/M/R, ZN1100, ZX750A 
  37. Mikuni Carb O-Ring 4x1.0 (1)
    Part #
    KL18-4630-1
    Mikuni Carb O-Ring 4mm x 1.0mm (Individual) 
  38. Mikuni Carb O-Ring 4x1.0 (25 Pk)
    Part #
    KL18-4630
    Mikuni Carb O-Ring 4mm x 1.0mm (25 Pack) 
  39. Keihin Carb O-Ring 4.8x1.9 (1)
    Part #
    KL18-4624-1
    Keihin Carb O-Ring 4.8mm I.D x 1.9mm (Individual) 
  40. Keihin Carb O-Ring 4.8x1.9 (25 Pk)
    Part #
    KL18-4624
    Keihin Carb O-Ring 4.8mm I.D x 1.9mm (25 Pack) 
  41. Keihin Carb O-Ring 6.9x1.3 (1)
    Part #
    KL18-4623-1
    Keihin Carb O-Ring 6.9mm I.D x 1.3mm (Individual) 
  42. Keihin Carb O-Ring 6.9x1.3 (25 Pk)
    Part #
    KL18-4623
    Keihin Carb O-Ring 6.9mm I.D x 1.3mm (25 Pack) 
  43. Keihin Carb O-Ring 5.8x1.9 (1)
    Part #
    KL18-4622-1
    Keihin Carb O-Ring 5.8mm I.D x 1.9mm (Individual) 
  44. Keihin Carb O-Ring 5.8x1.9 (25 Pk)
    Part #
    KL18-4622
    Keihin Carb O-Ring 5.8mm I.D x 1.9mm (25 Pack) 
  45. Keihin Carb O-Ring 2.8x1.2 (1)
    Part #
    KL18-4619-1
    Keihin Carb O-Ring 2.8mm I.D x 1.2mm (Individual) 
  46. Keihin Carb O-Ring 2.8x1.2 (25 Pk)
    Part #
    KL18-4619
    Keihin Carb O-Ring 2.8mm I.D x 1.2mm (25 Pack) 
  47. Keihin Carb O-Ring 2.8x1.3 (1)
    Part #
    100-1358
    Keihin Carb O-Ring 2.8mm I.D x 1.3mm (Individual) 
  48. Keihin Carb O-Ring 5.0x1.3 (1)
    Part #
    KL18-4613-1
    Keihin Carb O-Ring 5.0mm I.D x 1.3mm (Individual) 
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