Engine Parts

Engine Parts

It’s a beautiful day for a ride. Blue skies, just cool enough for your leather to make you sweat, and almost no wind speak of. So, you gear up and head out the door. Key in the ignition, pull the choke and hit the little black button (or kick her over if you’re legit). As you level off the choke, your vintage KZ starts to hum. Wait, do you hear that?

There’s a pinging sound coming from your engine. It’s subtle, but it’s definitely there. Don’t you hear it? Of course you can, but you’ve stopped paying attention.

It’s common to put on blinders when you run an ailing engine. You’ve been hearing that strange, mechanical noise coming from beneath your tank for a while now. It’s getting worse, but you don’t notice because you’ve stopped listening. Putting your head in the sand is no way to be a responsible vintage Japanese motorcycle caretaker.

At some point in their learning process, most riders will discover that their motorcycle has developed a new, odd sound. If you’re inexperienced, you may wonder if you’re hearing things. Maybe it’s always made that sound. Nope. When new, your now-vintage Kawasaki KZ1000 ran like a jet fighter. It had the smooth, buttery sound of a brand-new Ferrari, only meaner. If you think you hear something, you almost certainly do.

Don’t let that pinging or clatter go undiagnosed. Whatever it is, if your engine is running well enough to make the noise, you’ve caught it at the right time, and your vintage KZ will appreciate your getting to the bottom of it. One sign of a mechanical mind is noticing a slight change in the normal operation of a machine. The slighter that change, the less of a problem you’ve likely discovered. But, like a snowball rolling down a hill, that minor engine issue can build, until it suddenly become a catastrophic

If your beloved vintage Kawasaki develops an odd pinging sound, investigate immediately. It could be something extremely minor, like running too-low octane fuel. Fail to make this correction, though — and learn to live with the noise — and that minor detonation will cause bigger issues. It could be a lean mixture, or it could be a poorly timed ignition spark. One thing is for sure, though: That noise is the sound of your pistons taking a beating. If left unchecked, they will fail.

Whether detonation has gotten the best of you, or pre-ignition has caused a bent valve, Z1 has cam chains from DID, EK and K&L to stop that pinging once and for all or help you time up your vintage Kawasaki restoration. Shifting getting rough or popping out of gear, we are also a great source for KZ1000 clutch parts.

That blue-black smoke emanating from your tail pipe is a major issue. Time is not on your side when the time comes to quit smoking.

Don’t worry, though, Z1 has piston rings for KZ1000s. We also have valves and valve shims for your KZ, as well as many other vintage Japanese motorcycles. Have you lost an engine case bolt, or are you dressing up your vintage Kawasaki restoration project? Z1 engine cover bolt kits as bright, stainless-steel Allen heads that will make your engine shine and last for ages. We have engine case bolts for many vintage Japanese street bikes.

Whatever the issue with your vintage Kawasaki (or any other vintage Big-Four motorcycle), Z1 can help you sort it out. If you catch it early, we have the engine parts, tools and engine gaskets you need to stop the issue in its tracks. If it got away from you this time, Z1 can help get your KZ back in action, so you can enjoy those beautiful riding days in peace and at ease. 

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  1. Engine Oil Seal Kit
    Part #
    SU504-352
    Engine Oil Seal Kit. Fits:  Kawasaki – two-stroke triples. KH250 S1 250 S2 350 S3 400 KH400  
  2. Gasket Set -CB450 (68-74) CL450 - Complete
    Part #
    SU608-0152
    Gasket Set -CB450 (68-74) CL450  - Complete 
  3. Gasket Valve Cover GS550
    Part #
    SU619-304
    Gasket Valve Cover GS550 Fits: 1977-1980 GS550B GS550C GS550EC GS550N GS550EN GS550ET 1979-1982 GS550 LN GS550LT GS550LX GS550LZ 1981 GS50TX 
  4. Roller- Starter Clutch
    Part #
    09261-14001
    OEM: 09261-14001 Fits Suzuki GS1000G/GL 1980-81 GS1100G/GL 1982-83 GS750E/ES 1983 GS700E/ES 1985 GS550E/EF/ES/ES3/ESE/ESF/ESG 1983-86 
  5. Starter Clutch Rebuild Kit - GS1100 GS1000 GS750
    Part #
    09261-14001-K
    OEM: 09261-14001 09440-04015 12633-31000 Fits Suzuki GS1000G/GL 1980-81 GS1100G/GL 1982-83 GS750E/ES 1983 GS700E/ES 1985 GS550E/EF/ES/ES3/ESE/ESF/ESG 1983-86 
  6. Roller- Starter clutch
    Part #
    09261-15001
    Roller- Starter clutch - Roller- Starter clutch 
  7. Starter Clutch Rebuild Kit - GS1000 GS750 GS550 GS
    Part #
    09261-15001-K
    Starter clutch rebuild kit - 09261-15001- 09440-04015- 12633-31000 Fits: GS1000-C- E- N- L- S (78-80)- GS1100-E- S (80-83)- GS1150 (84-86)- GS450 (80-83)- GS500 (89-01). Check your OEM numbers against this kit. 
  8. O-ring- Cam Chain Tensioner Adjuster - Suzuki GS1000 GS750 more
    Part #
    09280-06005
    OEM: 09280-06005, was 09280-06003.   Fits 1977 - 1987 GS400 GS550, GS650, GS750, GS850, GS1000, GS1100 GS1150 
  9. Oil Pressure Switch Z1
    Part #
    16144-002
    Genuine OEM: 16144-002 Oil Pressure Switch fits Kawasaki Z1. This is the earlier design with the screw-on terminal. See below for o-ring. 
  10. Carb Holders (4) CB750
    Part #
    16211-300-030-K
    OEM: 16211-300-030 16212-300-030 - Honda Carb insulators - Set of 4 includes 2 A insulators and 2 B insulators - Fits Honda CB750K1/K2/K3/K4/K5/K(76)/F/F(76) Genuine Honda Motorcycle part 
  11. Carb Holders (4) CB900 CB1000 CB1100
    Part #
    16211-438-000-K
    OEM: 16211-438-000 16212-438-000 16213-438-000 16214-438-000 - Honda Carb insulators - Set of 4 includes 1 each of 1-2-3-4 insulators - Fits Honda CB900C (80-82) CB900F (81-82) CB1000C (83) CB1100F (83) Genuine Honda Motorcycle part 
  12. Petcock Packing Seal - 4 hole
    Part #
    16955-268-020
    Petcock Packing Valve Fits Honda CB750K-K4 CB550 CB500/K CB350F 
  13. Petcock Screen Honda - CB750 CB550 CB450
    Part #
    16957-268-010
    Petcock Screen Fits Honda CB750K-K4 CB550 CB500/K CB350F 
  14. O-Ring- Petcock Bowl
    Part #
    16958-268-010
    Petcock Bowl o-ring Fits Honda CB750K-K4 CB550 CB500/K CB350F 
  15. Gasket - Petcock Body - CB350 CB500 CB550 CB750
    Part #
    16997-273-006
    Petcock Body Gasket Fits Honda CB750K-K4 CB550 CB500/K CB350F 
  16. Exhaust Flange KZ650/750 KZ550 KZ305 KZ200
    Part #
    18069-1006
    OEM: 18069-1006 18069-061 Exhaust Flanges are sold individually - fits KZ200A1/A1A/A2 1978-79 KZ305A1/2 1981-82 KZ305B1-3 1982 1987-88 - 4 needed for set for the following bikes KZ550A2-4 1981-83 KZ550C1-4 1980-83 KZ650B-3/D1-2 1977-79 KZ650E1/F1 1980 KZ650H1-3 1981-83 KZ750 E1-3/H1-4 1980-83 
  17. Wire clamp
    $2.69
    Part #
    21126-008
    OEM: 21126-008 - Genuine Kawasaki Motorcycle Part. Replace that bent and twisted clamp holding the plug wires- ignition wires- starter cable- etc. Soft Wire- bend to shape. Sold Individually. Fits just about any bike... 
  18. Tach Drive O-Ring- GS1100/1000/850/750/650/550/450
    Part #
    26451-45000
    OEM: 26451-45000 Tach Drive O-Ring Fits Suzuki GS1100LT/E 1980-81- GS1100ES 1982-83- GS1100G/GL 1982-83- GS1000E/G/S 1980- GS1000GL 1980-81- GS1000L 1979- GS850G/GL 1980-83- GS750E/L/T 1978-83- GS750L 1979- GS650G/GL/M/E 1980-83- GS550E/EF/ES/ES3/ESE/ESF/ESG 1983-86- GS550L 1979-86- GS550M/T 1981-82- GS500 2001-02- GS5... 
  19. Carb Holder O-Ring GS1000 GS750 GS850
    Part #
    09280-32006
    OEM: 09280-32006- Carb Holder O-Ring - sold individually - Suzuki GS1000C/EC-EN-N-L-S 1978-79 GS750B/C/EC/EN/L/N 1977-79 GS850G 1979 Crankcase GV1200GLF/GLF2/GLG 1985-86 Rear Wheel DT4 1988-01 DTSY 1988-01 ALT125 1983-86 ATL185 1985 ALT50 1983-84 DR100 1985-87 GN125E 1993 1993 GN125ET 1991-96 GN125EV 1997 GN125Z 1983... 
  20. Carb Holder O-Ring GS700 GS850 XN85
    Part #
    09280-38004
    OEM: 09280-38004 superseded from 09280-38003 D1 = 38mmD2 = 2.5mmUsed to seal the carb holder to the cylinder head on: Suzuki GS550 80-82- GS700E/ES 1985- GS750E/ES 1983- GS850G/GL 1980-83- XN85 1983 
  21. Tach Oil Seal GS1100/1000 GS850 GS750 GS450
    Part #
    09289-05002
    OEM: 09289-05002 Tach Oil Seal Fits Suzuki GS1100G/GL 1982-83- GS1000E/G/S 1978-80- GS1000GL 1980-81- GS1000L 1979- GS850G/GL 1980-83- GS750L 1979- GS500 2001-02- GS500E 1993-00- GS500ET 1989-96- GS450ET/EX/EZ/ST/SX/T/TX/E 1980-83- GS450L 1980-88- GR650 1983- GN400T/TX/XT/XX 1980-82- GN125E 1993-95- GN125ET 1991-96- GN... 
  22. Spring- Starter Clutch
    Part #
    09440-04015
    Spring- Starter Clutch - Spring- Starter Clutch 
  23. Gasket - Cam Chain Tensioner KZ900/1000 Z1 KZ650
    Part #
    11009-1980
    OEM: 11009-1980- 11009-1179- 12056-001 Cam Chain Tensioner Gasket .020" Fiber - Fits Kawasaki KZ1000A1-4/B1-4 1977-80 KZ1000C1-4/D1/D3/E1-2/G1 1978-81 KZ650B1-3/C1-3/D1-2 1977-79 KZ650E1/F1/H1-3 1980-83 KZ700A1 1984 KZ750E1-3/F1/H1-4/L3/N1-2/R1 1980-83 KZ900A4-5/B1 1976-77 Z1/A/B 1973-75 ZN700A1-2 1984-85 ZR750C1-... 
  24. Gasket - Transmission Cover - J Model
    Part #
    11060-1069
    Genuine OEM part. 11060-1069Transmission Cover Gasket .020" Fiber - Fits Kawasaki KZ1000 (80 and up) KZ1100 1984-85 ZN1100 1984-85 ZX1100 1983-84 
  25. Gasket - Valve Cover KZ650 KZ700 KZ750 ZN700 ZX750
    Part #
    11060-1603
    OEM: 11060-1603 11009-1274 Genuine Kawasaki Valve Cover Gasket - Fits Kawasaki KZ650H3 1983 KZ700A1 1984 KZ750F1/H4/L3/N1-2/R1 1982-83 ZN700A1-2 1984-86 ZX750A1-3/E1-2 1983-85 
  26. Gasket - Kick Cover - Z1 KZ900 KZ1000
    Part #
    11060-1606
    Genuine OEM: 11060-1606Fits kickstarter cover on KZ1000A/B/C/D/E/G- KZ900- Z1 
  27. Gasket - Cylinder Base KZ650/750 ZX750 ZN700 ZR750
    Part #
    11060-1726
    OEM: 11060-1726 11060-1348 11060-1144 11060-1154 Gasket - Base - Kawasaki KZ750E1-3/F1/H1-4/L3/N1-2/R1 1980-83 KZ650 ZX750 ZN700 ZR750 Genuine Kawasaki part 
  28. Gasket - Magneto Cover - GS750 GS850 GS1000 GS1100
    Part #
    11483-45000-H17
    Genuine Suzuki part. OEM: 11483-45000-H17- Stator Cover Gasket - Fits Suzuki GS1100GL/GK/G 1982-83- GS1000L 1979- GS1000/E 1978-80- GS850 G/GL 1979-83- GS750L/E 1978-79 
  29. Gasket - Oil Pan - GS750 GS850 GS1000
    Part #
    11489-45001-H17
    OEM: 11489-45001 11489-45001-H17 Genuine Suzuki Gasket - Oil Pan - Suzuki GS1100G/GL 1982-83 GS1000C/E/EC/EN/G/GL/L/N/S 1978-80 GS850G/GL 1980-83 GS750B/C/EC/EN 1977-79 
  30. Valve shim 29mm diameter 3.15mm
    Part #
    12037-024
    Equivalent to OEM: 12037-024 1J7-12169-V1-00 -SOLD INDIVIDUALLY- Hardened valve shim - they are also available as a shop kit. Fits Kawasaki Z1 KZ900 KZ1000 KZ1100 KL600 KL650 KLX650 KZ1300 ZN1300 Yamaha xs400 xj550 fj600 fz600yx600 xj650 xj700 xj750 xs750 xs850 xj900 xj1100 xs1100 
    • Out of stock
  31. Valve shim 29mm diameter 3.20mm
    Part #
    12037-025
    Equivalent to OEM: 12037-024 1J7-12169-W1-00 -SOLD INDIVIDUALLY- Hardened valve shim - they are also available as a shop kit. Fits Kawasaki Z1 KZ900 KZ1000 KZ1100 KL600 KL650 KLX650 KZ1300 ZN1300 Yamaha xs400 xj550 fj600 fz600yx600 xj650 xj700 xj750 xs750 xs850 xj900 xj1100 xs1100 
    • Out of stock
  32. Valve shim 32mm diameter 2.65mm
    Part #
    12037-060
    OEM: 12037-060 -SOLD INDIVIDUALLY Hardened valve shim. Fits Kawasaki KZ750 twins. Limited supply. We would be interested in buying 32mm shims as long as they are in good condition (no rust- no gouges and no ground shims). $2.00 per shim paid. Genuine Kawasaki Motorcycle part 
  33. Valve shim 32mm diameter 2.70mm
    Part #
    12037-061
    OEM: 12037-061 -SOLD INDIVIDUALLY Hardened valve shim. Fits Kawasaki KZ750 twins. Limited supply. We would be interested in buying 32mm shims as long as they are in good condition (no rust- no gouges and no ground shims). $2.00 per shim paid. Genuine Kawasaki Motorcycle part 
  34. Valve shim 32mm diameter 2.75mm
    Part #
    12037-062
    OEM: 12037-062 -SOLD INDIVIDUALLY Hardened valve shim. Fits Kawasaki KZ750 twins. Limited supply. We would be interested in buying 32mm shims as long as they are in good condition (no rust- no gouges and no ground shims). $2.00 per shim paid. Genuine Kawasaki Motorcycle part 
  35. Valve shim 32mm diameter 2.80mm
    Part #
    12037-063
    OEM: 12037-063 -SOLD INDIVIDUALLY - Hardened valve shim. Fits Kawasaki KZ750 twins. Limited supply. These may be new or used. We are interested in buying 32mm shims - MUST be good condition - $2.00 per shim paid. Genuine Kawasaki Motorcycle part 
  36. Valve shim 32mm diameter 2.85mm
    Part #
    12037-064
    OEM: 12037-064- SOLD INDIVIDUALLY Hardened valve shim. Fits Kawasaki KZ750 twins. Limited supply. These may be new or used. We are interested in buying 32mm shims - MUST be good condition - $2.00 per shim paid. Genuine Kawasaki Motorcycle part 
  37. Valve shim 32mm diameter 2.90mm
    Part #
    12037-065
    OEM: 12037-065 -SOLD INDIVIDUALLY - Hardened valve shim. Fits Kawasaki KZ750 twins. Limited supply. These may be new or used. We are interested in buying 32mm shims - MUST be good condition - $2.00 per shim paid. Genuine Kawasaki Motorcycle part 
  38. Valve shim 32mm diameter 2.95mm
    Part #
    12037-066
    OEM: 12037-066 -SOLD INDIVIDUALLY Hardened valve shim. Fits Kawasaki KZ750 twins. Limited supply. We would be interested in buying 32mm shims as long as they are in good condition (no rust- no gouges and no ground shims). $2.00 per shim paid. Genuine Kawasaki Motorcycle part 
  39. Valve shim 32mm diameter 3.00mm
    Part #
    12037-067
    OEM: 12037-067 -SOLD INDIVIDUALLY Hardened valve shim. Fits Kawasaki KZ750 twins. Limited supply. We would be interested in buying 32mm shims as long as they are in good condition (no rust- no gouges and no ground shims). $2.00 per shim paid. Genuine Kawasaki Motorcycle part 
  40. Valve shim 32mm diameter 3.05mm
    Part #
    12037-068
    OEM: 12037-068 -SOLD INDIVIDUALLY - Hardened valve shim. Fits Kawasaki KZ750 twins. Limited supply. These may be new or used. We are interested in buying 32mm shims - MUST be good condition - $2.00 per shim paid. Genuine Kawasaki Motorcycle part 
  41. Valve shim 32mm diameter 3.10mm
    Part #
    12037-069
    OEM: 12037-069 -SOLD INDIVIDUALLY - Hardened valve shim. Fits Kawasaki KZ750 twins. Limited supply. These may be new or used. We are interested in buying 32mm shims - MUST be good condition - $2.00 per shim paid. Genuine Kawasaki Motorcycle part 
  42. Valve shim 32mm diameter 3.15mm
    Part #
    12037-070
    OEM: 12037-070 -SOLD INDIVIDUALLY - Hardened valve shim. Fits Kawasaki KZ750 twins. Limited supply. These may be new or used. We are interested in buying 32mm shims - MUST be good condition - $2.00 per shim paid. Genuine Kawasaki Motorcycle part 
  43. Valve shim 32mm diameter 3.20mm
    Part #
    12037-071
    OEM: 12037-071 -SOLD INDIVIDUALLY - Hardened valve shim. Fits Kawasaki KZ750 twins. Limited supply. These may be new or used. We are interested in buying 32mm shims - MUST be good condition - $2.00 per shim paid. Genuine Kawasaki Motorcycle part 
  44. Valve shim 32mm diameter 3.25mm
    Part #
    12037-072
    OEM: 12037-072 -SOLD INDIVIDUALLY - Hardened valve shim. Fits Kawasaki KZ750 twins. Limited supply. These may be new or used. We are interested in buying 32mm shims - MUST be good condition - $2.00 per shim paid. Genuine Kawasaki Motorcycle part 
  45. Valve shim 32mm diameter 3.30mm
    Part #
    12037-073
    OEM: 12037-073 -SOLD INDIVIDUALLY - Hardened valve shim. Fits Kawasaki KZ750 twins. Limited supply. These may be new or used. We are interested in buying 32mm shims - MUST be good condition - $2.00 per shim paid. Genuine Kawasaki Motorcycle part 
  46. Valve shim 32mm diameter 3.35mm
    Part #
    12037-074
    OEM: 12037-074 -SOLD INDIVIDUALLY - Hardened valve shim. Fits Kawasaki KZ750 twins. Limited supply. These may be new or used. We are interested in buying 32mm shims - MUST be good condition - $2.00 per shim paid. Genuine Kawasaki Motorcycle part 
  47. Valve shim 32mm diameter 3.40mm
    Part #
    12037-075
    OEM: 12037-075 -SOLD INDIVIDUALLY Hardened valve shim. Fits Kawasaki KZ750 twins. Limited supply. These may be new or used. We are interested in buying 32mm shims - MUST be good condition - $2.00 per shim paid. Genuine Kawasaki Motorcycle part 
  48. Cam Chain Tensioner Assy
    Part #
    12048-001
    OEM: 12048-001 (Rear of cylinder) - fits Kawasaki Z1 KZ900 KZ1000A1/A2/A2A/A3/A3A/A4- KZ1000B1/B2/B3/B4- KZ1000C1/C1A/C2/C3/C4/D1/D3- KZ1000E1/E2/G1 Genuine Kawasaki Motorcycle part 
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