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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 GS1100 GS750
    Part #
    SU619-307
    Equivalent to OEM / Aftermarket: 11173-49224-H17- 11173-49210- 11173-49220- 11173-49221- 11173-49222- 11173-49223- 11173-49224- 619-307- VV-3007. 20-hole Valve Cover Gasket. 
  4. Gasket Valve Cover GS1100 GS750
    Part #
    SU619-320
    Equivalent to OEM: 11173-49224-H17 Aftermarket: VV-3020 G829. Fits Suzuki GS750S (83) GS1100E/ES (82-83) 
  5. 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 
  6. Gasket - Aftermarket Kawasaki Cam Chain Tensioner KZ900/1000 Z1 KZ650
    Part #
    200-1050
    Gasket - Aftermarket Kawasaki Cam Chain Tensioner KZ900/1000 Z1 KZ650 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... 
  7. Gasket - Aftermarket Kawasaki Transmission Cover - Z1 KZ900 KZ1000
    Part #
    200-1051
    Aftermarket Kawasaki OEM: 11060-1531 supersedes 14058-004Transmisson cover gasket. Used on Z1- KZ900- KZ1000-A1/A2/A3/B1/B2/B3/C1/C2/D1 
  8. Gasket - Aftermarket Kawasaki Transmission Cover - J Model
    Part #
    200-1052
    Aftermarket Kawasaki part. OEM# 11060-1069Transmission Cover Gasket .020" Fiber - Fits Kawasaki KZ1000 (80 and up) KZ1100 1984-85 ZN1100 1984-85 ZX1100 1983-84 
  9. Oil filter bolt XS750 XS850 XS1100
    Part #
    43-1506
    Oil filter bolt Fits: XS360 (1976-77), XS750 (1977-79), XS850 (1980-81), XS1100 (1979-82) Also fits Yamaha: XVZ12/13 Venture (1986-88), VMX12 V-Max (1985-92) Equivalent to OEM: 1J7-13440-00 2H7-13440-00 90401-20041 
  10. 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 
  11. 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 
  12. 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 
  13. 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 
  14. 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... 
  15. 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... 
  16. 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... 
  17. 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-... 
  18. 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 
  19. 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. Genuine Kawasaki Motorcycle part 
  20. Valve shim 32mm diameter 2.95mm
    Part #
    12037-066
    OEM: 12037-066 -SOLD INDIVIDUALLY Hardened valve shim. Fits Kawasaki KZ750 twins. Limited supply. Genuine Kawasaki Motorcycle part 
  21. Valve shim 32mm diameter 3.00mm
    Part #
    12037-067
    OEM: 12037-067 -SOLD INDIVIDUALLY Hardened valve shim. Fits Kawasaki KZ750 twins. Limited supply. Genuine Kawasaki Motorcycle part 
  22. 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. Genuine Kawasaki Motorcycle part 
  23. 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. Genuine Kawasaki Motorcycle part 
  24. 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. Genuine Kawasai Motorcycle part 
  25. Cam Chain Roller Shaft
    Part #
    12052-003
    OEM: 12052-003 - Genuine Kawasaki Motorcycle part. Lower roller shaft. Check your existing shaft for wear - there should not be any lip or gouges around the shaft. If you are replacing the roller- replace this at the same time. Fits Kawasaki KZ1000 (thru 1980) KZ650 KZ700 KZ750E KZ750F KZ750H KZ750L KZ750 N KZ750R... 
  26. Cam Chain Idler Sprocket Shaft
    Part #
    12052-005
    OEM: 12052-002 12052-005 - Genuine Kawasaki Motorcycle Part. Top Idler shaft. Check your existing shaft for wear - there should not be any lip or gouges around the shaft. If you are replacing the sprockets- replace these at the same time. Fits Kawasaki KZ1000 (thru 1980) KZ1300 KZ650 (thru 1980) KZ900 Z1 ZN1300 
  27. Cam Chain Idler Assembly KZ1000
    Part #
    12053-1016
    OEM: 12053-1016 - Genuine Kawasaki Motorcycle partCam chain idler top tower assembly. Use with 92075-289 dampers - four (4) needed. See below.Fits:KZ1000A KZ1000-A1 KZ1000-A2 KZ1000-A2A KZ1000-A3 KZ1000-A4 Standard Std Mk2 MKIIKZ1000B KZ1000-B1 KZ1000-B2 KZ1000-B3 KZ1000-B4 LTDKZ1000C KZ1000-C1 KZ1000-C2 KZ1000-C3 KZ10... 
  28. Cam Chain Idler Sprocket Z1 KZ900/1000
    Part #
    12057-002
    OEM: 12057-002 Cam chain sprocket. Fits Z1 KZ900 & KZ1000 (thru 1980) engines. Two are required. Genuine Kawasaki Motorcycle part 
  29. roller- Starter Clutch
    Part #
    12633-31000
    roller- Starter Clutch - roller- Starter Clutch 
  30. Gasket - Cam Chain Tensioner GS1000 GS1100 GS1150
    Part #
    12837-47010
    Genuine OEM: 12837-47010 supersedes 12837-47000- 12837-31310. Used on the cam chain tensioner on:GS1000- GS1100- GS1150- GS450- GS550- GS650- GS700- GS750 (80-83) 
  31. Valve shim 29.5mm diameter 3.05mm
    Part #
    12892-45000-305
    OEM: 12892-4500-305 SOLD INDIVIDUALLY Hardened valve shim - Fits Suzuki GS400 GS425 GS450 GS550 GS650 GS750 GS850 GS1000 GS1100 XN85 GS500 GR650 
  32. Piston Pin (4)
    $100.97
    Part #
    13002-022X4
    OEM: 13002-022 - Set of 4 - genuine Kawasaki - fits Z1 KZ900 KZ1000 (to 1980) Genuine Kawasaki Motorcycle part 
  33. Cam Chain Roller CB750
    Part #
    14601-312-000
    OEM: 14601-312-000 - Fits Honda CB750K0/K1/K2/K3/K4/K5/K6/K(76)/F(76-78)/A(76-78)/K(77-78) Genuine Honda Motorcycle part 
  34. Cam Chain Roller Pin Rubber CB750
    Part #
    14607-300-000
    OEM: 14607-300-000 These rubber dampers fit Honda CB750K0/K1/K2/K3/K4/K5/K6/K(76)/F(76-78)/A(76-78)/K(77-78). Replace those hard and ineffective old dampers with these new factory dampers. Genuine Honda Motorcycle part 
  35. Cam Chain Guide CB750
    Part #
    14611-300-000
    OEM: 14611-300-000 - Fits Honda CB750K0/K1/K2/K3/K4/K5/K6/K(76)/F(76-78)/A(76-78)/K(77-78) Genuine Honda Motorcycle part 
  36. O-Ring Seal - 8.5mm x 13.5mm x 2.25mm Caliper Seal
    Part #
    43053-008
    Genuine OEM: 43053-008 D1 = 8.5mmD2 = 13.5mmD3 = 2.25mmFits Kawasaki KZ1000-A1-A4 1977-80- KZ1000-C1-C4 1978-81- KZ1000D1/D3 1978 & 80. This is the seal that goes between the two halves of the caliper. 
  37. Oil Level Gauge - Kawasaki
    Part #
    52005-1009
    Fits Kawasaki KZ1000 (81 and up) KZ1100 KZ250 KZ440 KZ550 ZX1100 ZX550 ZX600 
  38. Oil Level Gauge Kawasaki
    Part #
    52015-004
    OEM: 52015-004- 52005-1001 Oil Level Gauge. Fits Kawasaki KDX400A1/A2- KDX420B1- KE250B1/B2/B3- KL250A1/A1A/A2/A3/A4- KLX250A1/A2 KX420A1/A2- KZ1000A1/A2/A2A/A3/A4/B1/B2/B3/B4/C1/C1A/C2/C3/C4/D1/D3/E1/E2/G1- KZ1300A1/A2 (up to ~E.NO.009426 w/ 14032-1012 Clutch Cover)- KZ200A1/A1/A2- KZ250D1/D2- KZ400/A1/A2/B1/B2/C1/... 
  39. Honda Grommet - CB750 CB550 CB550 CB400 CBX
    Part #
    83551-300-000
    Honda Grommet used in the following locations - Right side cover- seat- left side cover- oil tank- steering stem- wiring harness- battery- taillight. Fits CBX- CB900- CB750- CB650- CB550- CB400- CB1000- CB1100- CM400- GL1100- VF1100- VT1100 
  40. O-ring- Honda 30.8mm
    Part #
    91302-001-020
    Fits Honda CB1100- CB1000- CB900- CB750- CB550- CB400- CB350- GL1500- GL1200- GL1100-GL1000 
  41. Cylinder Head Rubber Seal CB750 CB650 CB550 CB500
    Part #
    91318-300-013
    OEM: 91318-300-013 - Honda Cylinder Head Rubber Seal 25mm diameter Sold Individually Fits Honda CB500/K1/K2 CB550K/K1/F (76-77) CB650 (79-82)/C (80-81)/SC (82) CB750A/K/F (77-78) CB750K0-K5 CB750K (76) Genuine Honda Motorcycle Parts 
  42. Cylinder Head Nut KZ900/1000 KZ750
    Part #
    92015-076
    OEM: 92015-076 Fits Kawasaki KZ1000A1-4/B1-4 1977-80 KZ1000C1-4 1978-81 KZ1000D1/D3 1978 1980 KZ1000E1-2 1979-80 KZ1000G1 1980 KZ1000J1-3/K1-2/M1-2 1981-83 KZ1000P1-17 1982-98 KZ1100A1-3/B1-2/D1-2/L1 1981-83 KZ1300A1-4/B2 1979-82 KZ400B1-2/C1/H1 1978-79 KZ440A1-4/B1-2/D1-5/G1 1980-83 KZ650B1-3/C1-3/D1-2/E1/F1/H1-3 1977... 
  43. Washer- Transmission Thrust - 26mm input shaft
    Part #
    92024-042
    Genuine OEM: 92024-042 Two (2) required- sold individually. These washers are used between the gears on the input shaft. Fits:KZ1000-A1/A2/B1/B2/C1/C1A/D1/P10 thru P24- KZ900- Z1- KZ1300- ZN1300 
  44. Valve shim 13mm diameter 3.15mm
    Part #
    92025-1113
    OEM: 92025-1113 - Genuine Kawasaki Part - SOLD INDIVIDUALLY Hardened valve shim - they are also available as a shop kit. Fits Kawasaki KZ650 KZ550 ZX550 zr550 KZ700 ZN700 KZ750 zr750 zr1100 ZX750 ZX1100View Technical Documentation 
  45. Valve shim 13mm diameter 3.20mm
    Part #
    92025-1114
    OEM: 92025-1114 - Genuine Kawasaki - SOLD INDIVIDUALLY Hardened valve shim - they are also available as a shop kit. Fits Kawasaki KZ650 KZ550 ZX550 zr550 KZ700 ZN700 KZ750 zr750 zr1100 ZX750 ZX1100View Technical Documentation 
  46. Cam Chain Top Idler Collar
    Part #
    92027-155
    OEM: 92027-155 - Genuine Kawasaki Motorcycle Part. Fits Kawasaki KZ200 KZ250 KZ900 Z1 
  47. Piston Pin Circlip 15mm - KZ650 KZ1300
    Part #
    92036-005
    Genuine OEM: 92036-005 two (2) needed PER piston. Two (2) to twelve (12) needed for a set depending on the motorcycle. Fits:KH250- KH400- S1- S2- S3- KZ1300- ZN1300- KZ400- KZ440- KZ650- KZ700- ZN700- KZ750E/F/H/L/N/R- ZX750ADO NOT mix piston pin circlips from different brands- the thickness of the clips differes and... 
  48. Woodruff Key Z1 KZ900/1000 KZ1300
    Part #
    92038-001
    OEM: 92038-001 - Fits The following Kawasaki - EL250B2-3 1988-89 EL250E1-4 1991-94 EN450A1-6 1985-90 EN500A1-5 1990-94 EX250E1-2 1986-87 EX250F2-9 1988-95 EX305B1 1983 EX500A1-7 1987-93 F11/A/B/M 1973-75 F3/F4 1968-70 F5/A 1970-71F7/A/B/C/D 1971-75 F8/A 1971-72 F81M 1971 F9/A/B/C 1972-75 H1/A/B/C/D/E/F 1969-75 H2/A/B/C... 
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