Kawasaki Z1-KZ Engine Top

Prices based on Japanese RRP
Includes air freight to Z1Shop and 10% GST
Exchange Rate 1 AUD = 63.1400 JPY (ANZ)

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81-2004   Cam Cover Bolts Z1-KZ (chrome)

81-2004 Set of 16 x chrome cam cover bolts.

Models: 72-75 Z1, 76-80 Z900-1000

$49.35  
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69-2120   Rubber Cam Cover Caps Z1-KZ

69-2120 Set of 4 x standard rubber cam cover end caps.

Models: 72-75 Z1, 76-80 Z900-1000

$35.53  
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72-152   Aluminum Cam Cover Caps (silver)

72-152 Set of 4 x silver anodised aluminium cam cover end caps.

Models: 72-75 Z1, 76-80 Z900-1000

$78.95  
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72-154   Aluminum Cam Cover Caps (black)

72-154 Set of 4 x black anodised aluminium cam cover end caps.

Models: 72-75 Z1, 76-80 Z900-1000

$78.95  
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81-2231   Tacho Drive Gear Z1-KZ

81-2231 These can cause serious damage and/or oil leaks when worn. Check yours and replace if there is any doubt.

Models: 72-75 Z1, 76-80 Z900-1000

$98.69  
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81-2235   Tacho Drive Housing Z1-KZ

81-2235 Improved tacho drive housing with double o-ring seal and aluminium shear plate to prevent damage if tacho drive gear seizes. Fix those annoying tacho drive oil leaks.

Models: 72-75 Z1, 76-80 Z900-1000

$88.82  
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81-2290   Tacho Port Plug Z1-KZ

81-2290 Remove tacho drive gear and block the port with a double o-ring seal. Used when running an electronic tacho. This really will fix those tacho drive oil leaks. Machined stainless so it looks good and wont rust.

Models: 72-75 Z1, 76-80 Z900-1000

$69.09  
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81-3241   Stainless Exhaust Stud Kit Z1-Z900 (6mm)

81-3241 Get rid of those rusty exhaust studs forever. Set of 8 x 6mm stainless studs and flange nuts. Don't forget to use anti seize on stainless fittings. I suggest Loctite 771 Nickel compound.

Models: 72-75 Z1, 76 Z900

NOTE: Please check stud size on your engine before ordering.

$59.22  
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81-3242   Stainless Exhaust Stud Kit KZ (8mm)

81-3242 Get rid of those rusty exhaust studs forever. Set of 8 x 8mm stainless studs and flange nuts. Don't forget to use anti seize on stainless fittings. I suggest Loctite 771 Nickel compound.

Models: 77-80 Z900-1000

NOTE: Please check stud size on your engine before ordering.

$59.22  
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72-266   Cam Chain Top Idler Z1-Z900 (improved)

72-266 Heavy duty top cam chain idler.

Models: 72-75 Z1, 76 Z900

$236.86  
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72-264   Top Idler Dampers Z1-Z900

72-264 Set of 4 x rubber dampers for top cam chain idler mount.

Models: 72-75 Z1, 76 Z900

$88.82  
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72-268   Cam Chain Top Idler Z1000 (improved)

72-268 Heavy duty top cam chain idler.

Models: 77-78 Z1000 A1-A2, 78 Z1R D1

$236.86  
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72-265   Top Idler Dampers Z1000

72-265 Set of 4 x rubber dampers for top cam chain idler mount.

Models: 77-80 Z1000

$78.95  
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72-060   Cam Chain Idler Z1-KZ (improved)

72-060 Heavy duty cam chain idler. Two required. Sold separately. You will also need the 72-063 idler shaft set.

Models: 72-75 Z1, 76-80 Z900-1000

Out of stock 
$138.17  
No Stock

72-063   Cam Chain Idler Shaft Set Z1-KZ

72-063 Set of 2 x shafts and rubber dampers for 72-060 cam chain idlers.

Models: 72-75 Z1, 76-80 Z900-1000

$78.95  
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72-645   Cam Chain Guide Z1-KZ

72-645 Cam chain guide.

Models: 72-75 Z1, 76-80 Z900-1000

$39.48  
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72-064   Cam Chain Roller Kit Z1-KZ

72-064 Cam chain centre roller. Fits between barrel and crankcase. Includes shaft and rubber dampers.

Models: 72-75 Z1, 76-80 Z900-1000

$69.09  
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72-059   Cam Chain Tensioner Z1-KZ (standard)

72-059 Standard cam chain tensioner arm with rubber roller.

Models: 72-75 Z1, 76-80 Z900-1000

Out of stock 
$138.17  
No Stock

72-069   Cam Chain Tensioner Z1-KZ (improved)

72-069 Heavy duty cam chain tensioner arm with idler.

Models: 72-75 Z1, 76-80 Z900-1000

Out of stock 
$276.34  
No Stock

72-050   Cam Chain Z1-KZ (122 link)

72-050 IZUMI heavy duty low friction cam chain. 122 link endless. Made in Japan.

Models: 72-75 Z1, 76 Z900, 77-78 Z1000 A1-A2, 78 Z1R D1

$157.91  
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72-623   Cam Chain Adjuster Z1-KZ (automatic)

72-623 A modern automatic cam chain tensioner. You never have to worry about that manual tensioner again. Compact design provides extra clearance when fitting big carbs. Billet construction so it looks good too. Includes bolts and gasket.

Models: 72-75 Z1, 76-80 Z900-1000

$296.08  
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72-671   Cam Chain Adjuster Z1-KZ (manual)

72-671 Manual cam chain adjuster. A popular modification for high performance engines. Provides plenty of clearance for big carbs. Includes bolts and gasket.

Models: 72-75 Z1, 76-80 Z900-1000

$236.86  
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72-061   Camshaft Bearings Z1-KZ

72-061 Set of 16 x camshaft bearings. Always a good idea to change these when doing a top end overhaul.

Models: 72-75 Z1, 76-80 Z900-1000

$296.08  
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81-2385   Valve Set Z1-KZ

81-2385 OEM valves equivalent to original. Set of 4 x inlet and 4 x exhaust.

Models: 72-75 Z1, 76-80 Z900-1000

NOTE: These valves require square groove Z1, Z900 collets. When fitting to Z1000 you will need 8 x 81-2386 valve collet sets.

$236.86  
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81-2386   Valve Collet Z1-Z900

81-2386 Set of 2 x square groove valve collets.

Models: 72-75 Z1, 76 Z900

NOTE: Use these when installing 81-2385 valve set on Z1000.

$15.79  
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81-2381   Valve Guide Set Z1-KZ (standard)

81-2381 OEM valve guides. Standard size 12.06 mm. Modern materials make them an improvement over the originals. Set of 4 x inlet and 4 x exhaust.

Models: 72-75 Z1, 76-80 Z900-1000

$177.65  
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81-2382   Valve Guide Set Z1-KZ (0.05mm oversize)

81-2382 OEM valve guides. 0.05mm oversize. Modern materials make them an improvement over the originals.

Models: 72-75 Z1, 76-80 Z900-1000

$177.65  
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81-2383   Valve Guide Set Z1-KZ (0.10mm oversize)

81-2383 OEM valve guides. 0.10mm oversize. Modern materials make them an improvement over the originals.

Models: 72-75 Z1, 76-80 Z900-1000

$177.65  
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81-2140   Valve Stem Seals Z1-KZ (standard)

81-2140 Set of 8 x standard valve stem oil seals.

Models: 72-75 Z1, 76-80 Z900-1000

$59.22  
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81-2141   Valve Stem Seals Z1-KZ (improved)

81-2141 Set of 8 x heavy duty valve stem oil seals.

Models: 72-75 Z1, 76-80 Z900-1000

$138.17  
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81-2142   Valve Stem Seals Z1-KZ (viton)

81-2142 Set of 8 x Viton ® valve stem oil seals. Special fluorine based rubber is supposed to provide the best life and performance.

Models: 72-75 Z1, 76-80 Z900-1000

$177.65  
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72-561   Piston Kit Z1-Z900 (0.5mm oversize)

72-561 Piston kit 0.5mm oversize = 66.5mm bore. Set of 4 x cast pistons with rings, pins and circlips.

Models: 72-75 Z1, 76 Z900

$592.16  
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72-562   Piston Kit Z1-Z900 (1.0mm oversize)

72-562 Piston kit 1.0mm oversize = 67.0mm bore. Set of 4 x cast pistons with rings, pins and circlips.

Models: 72-75 Z1, 76 Z900

$592.16  
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72-563   Piston Kit Z1-Z900 (1.5mm oversize)

72-563 Piston kit 1.5mm oversize = 67.5mm bore. Set of 4 x cast pistons with rings, pins and circlips.

Models: 72-75 Z1, 76 Z900

$592.16  
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72-579   Cylinder Sleeve Z1-Z900

72-579 Replacement sleeve for 900 barrel. Used to return to standard specs when bore is seriously damaged or you have run out of oversizes and/or big bore options. Sold separately.

Models: 72-75 Z1, 76 Z900

Out of stock 
$355.30  
No Stock

72-273   Cylinder Knock Pins Z1-KZ

72-273 Set of 4 x knock pins for barrel.

Models: 72-75 Z1, 76-80 Z900-1000

$15.79  
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40-1801   Heavy Duty Cylinder Studs Z1-KZ

40-1801 Heavy duty chrome moly cylinder studs are recommended for big bore and high compression engines. These are 5mm over standard length and should be used with the 72-342 billet head nut set.

Models: 72-75 Z1, 76-80 Z900-1000

Out of stock 
$217.13  
No Stock

72-342   Billet Head Nut Set Z1-KZ (chrome)

72-342 Set of 12 x chrome moly billet head nuts. Better quality and finish than the standard head nuts. Recommended for 40-0801 heavy duty cylinder studs. Chrome finish.

Models: 72-75 Z1, 76-80 Z900-1000

$197.39  
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72-344   Billet Head Nut Set Z1-KZ (black)

72-344 Set of 12 x chrome moly billet head nuts. Better quality and finish than the standard head nuts. Recommended for 40-0801 heavy duty cylinder studs. Black chrome finish.

Models: 72-75 Z1, 76-80 Z900-1000

$197.39  
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72-349   Head Nut Washers

72-349 Set of 12 x head nut washers. Especially important to replace the copper washers on the outer studs which double as oil galleries to the head.

Models: 72-75 Z1, 76-80 Z900-1000

$19.74  
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72-661   Head Nuts Z1 (early)

72-661 Set of 12 x chrome plated head nuts. Early Z1 type (picture left) with height of 15.5mm. Unless you are fanatical about originality, I would use the later KZ type with greater height. Even better, the 72-342 billet head nut set. It's really annoying to try and torque down the head and find that the dome nuts have bottomed out on the studs.

Models: 72-73 Z1

$157.91  
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72-662   Head Nuts Z1 (late)

72-662 Set of 12 x chrome plated head nuts. Late Z1 type (picture centre) with height of 17.5mm. Unless you are fanatical about originality, I would use the later KZ type with greater height. Even better, the 72-342 billet head nut set. It's really annoying to try and torque down the head and find that the dome nuts have bottomed out on the studs.

Models: 74-75 Z1

$157.91  
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72-341   Head Nuts KZ

72-341 Set of 12 x chrome plated head nuts. Late KZ type (picture right) with height of 18.5mm. Unless you are fanatical about originality, I would use these on all models. Even better, the 72-342 billet head nut set. It's really annoying to try and torque down the head and find that the dome nuts have bottomed out on the studs.

Models: 72-75 Z1, 76-80 Z900-1000

$177.65  
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72-345   Rubber Cylinder Plugs Z1-KZ

72-345 Set of 8 x rubber plugs for bottom of cylinder block.

Models: 72-75 Z1, 76-80 Z900-1000

$49.35  
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