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 | Camchain tensioner ST1100
The oem stock tensoiner is spring loaded so that it is maintance free, the disadvantage with this compromise is that it can back off if used in a race engine or the engine is used aggressively such as a track day or on the drag strip. Stock tensioners also preload the camchain and tensoiner wheels, this results in accelerated wear. This is why most race/trackday bikes have the manual billet tensoiner fitted, it can not back off and so reliability is not an issue, another reason engine tuners fit this piece is because it does not preload the chain and so friction/wear is reduced, and power is increased.
Price: £42.25 (Excluding: VAT at 15%)
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Gasket for ST1100, EC062
We kept getting asked if we could supply the gasket to go with the camchain tensioners featured above, well now we can.
Price: £1.95 (Excluding: VAT at 15%)
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Model type (Year)
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 | Valve stem seal set 99199
Set of APE valve stem seals superior in quality to the Genuine Kawasaki part yet costs less
Price: £15.98 (Excluding: VAT at 15%)
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Heavy duty valve spring set VS900K
APE valve springs are manufactured using a premium chrome silicon spring steel and are electronically tested for defects, designed to provide maximum control without causing excessive valve seat pressure, for consistant pressure and excellent fatigue life. Racers as well as street riders have come to depend on APE springs for winning performance. For use with stock engines to .425" high lift cam and / or agressive camshaft profile.
Price: £47.95 (Excluding: VAT at 15%)
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 | Heavy Duty Tsubaki camchain, BF05MU-120
The best camchain you can buy is the Tsubaki Camellia endless race camchain, these are the only true heavy duty camchain and are a must in any highly tuned engine, but at this price they are good value for stock engines too.
Price: £37.50 (Excluding: VAT at 15%)
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Camcover gasket
Camcover gasket for the GS750 & GS850
Price: £12.95 (Excluding: VAT at 15%)
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Model and year
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 | Cometic head gasket 997cc-1100cc
Cometic head gaskets are available in a CFM-20 or in copper. CFM-20 gaskets use a perforated steel core with an elastomer surface and is ideal for head gaskets allowing heat to be drawn evenly across the gasket surface while providing maximum sealing characteristics. The copper is used in high compression, turbo or nitrous motors where the top of the block has been o ringed, copper gaskets can also be reused.
Price: £31.98 (Excluding: VAT at 15%)
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Gasket compound
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Gasket set, 997930
Complete D&K gasket set includes gaskets for camcover, cylinder head, barrels, liner o rings, copper head washers, head gasket O rings, crankcase to block O rings, exhaust gaskets, valve stem seals, camchain tensioner gasket and the rest of the crankcase cover gaskets,
Price: £74.95 (Excluding: VAT at 15%)
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 | Wiseco piston ring
We stock Wiseco rings so that you can get the Wiseco spares you need fast, The piston rings are sold a set for a piston, so if you need a full set of rings for a four cylinder you will need to make the quantity 4. Wiseco use many different ring formats such as XA, XC, or XG, this relates to the thickness of each ring, the ring format for your piston is stamped on the crown of the piston, so if you have C or XC stamped on the crown then you need to choose the XC style rings.
Price: £19.57 (Excluding: VAT at 15%)
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Ring format
Bore size of piston
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Clutch basket rebuild kit, CHK1000K
A common problem due to years of hard service in the aircooled bikes is the transmission springs in the clutch basket start to sag and break up. Normal symptons are a rattle when the bike is in neutral and idling. This kit allows the clutch basket to be reconditioned, kit includes new springs, rivets and collars. Should be fitted by an experienced machanic. note for Z900/1000; we recommend that you check your clutch basket whenever the crankcases are apart as the clutch can not be removed once the cases are together.
Price: £55.00 (Excluding: VAT at 15%)
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 | Heavy duty clutch spring set, CSK06
Clutch springs like any coil spring under constant pressure gets weaker with age, as clutch springs get older they loose presure over the clutch plates and lead to clutch slip. These clutch springs give an additional 10% pressure over the original stock springs.
Price: £12.48 (Excluding: VAT at 15%)
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Clutch plate set
Set of Heavy duty clutch plates that have been tested and proven on some of the fastest drag bikes in Europe, these are manufactured from a cork based material similar to the original equipment and we recommend that they are soaked in oil before installation.
Price: £61.92 (Excluding: VAT at 15%)
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Model type (Year)
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 | Dyna S ignition DS3-2
Dyna S ignition is the best ignition you can fit to the early airccoled engine, it has no black box, instead it is completely self contained behind the points cover with just 3 wires that route up to the coils, simple to fit and simple to time up. Improves start up, idle and overall running. One of the most important modifications we recommend.
Dyna S installation guide
Price: £119.00 (Excluding: VAT at 15%)
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Dyna Ignition coils, DC11
These high tech, top quality coils are designed for maximum performance. They produce spark voltages in excess of 30,000 volts and spark energies second to none. DYNA Coils are made to replace stock coils. Choose from three configurations and five variations of resistance for different applications. DYNA Coils work with point ignitions or aftermarket electronic ignitions, 3 ohm. Sold as a pair.
Price: £90.57 (Excluding: VAT at 15%)
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 | Replacement Generator, RGS1000-G2
This generator is a direct replacement for the stock item, pre-installed grommet and OEM Japanese connectors for quick and easy fitting. Brand New eliminating the need for customers to send in the old ones and comes with a one year's guarantee.
Price: £49.00 (Excluding: VAT at 15%)
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Push pull throttle assembly
Mikuni flatslide carburretors require a push pull throttle is fitted, the single cable set up as used with cv carburretors will not allow the slides to shut down properly. This kit includes twistgrip drum with slim housing and both cables. Twist grip action is just over 1/4 turn.
Price: £36.50 (Excluding: VAT at 15%)
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 | Pingel fuel tap with adaptor, 6211
Tuned GS's often show signs of fuel starvation at high rpm, the stock vacuum operated fuel tap is often overlooked as the cause of this problem, if your tap does not deliver 2 litres in 1 minute then you will restrict performance. The Pingel high flow fuel tap has a polished alloy body, chrome plated on-off lever with reserve, so is much more attractive than the dull grey ugly stock item. This tap comes complete with your choice of mounting adaptor, chose the A2001 nut to fit the 22mm boss on the tank or one of the 2 bolt adaptor plates. Measurements for the adaptor plates are from bolt hole centre to centre, (measure the distance between the two bolt holes in your fuel tank).
Price: £60.16 (Excluding: VAT at 15%)
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Adaptor type
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K & N replacement airfilter 78-79 only, SU-1250
K&N’s lifetime replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. These filters are custom designed to fit into your existing factory air box. Their drop-in design means adding performance is simple. Simply remove the disposable air filter and replace it with a K&N; there is NEVER any cutting or fitting required. The stock replacement air filters for street vehicles are covered by the famous K&N Million-Mile Limited Warranty.
Price: £28.60 (Excluding: VAT at 15%)
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 | Hiflo Oil filter, HF133
Hiflo Oil filter, passes all OEM pressure drop tests, tested and used by some of the fastest teams in the
Price: £3.45 (Excluding: VAT at 15%)
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Billet offset Sprocket 289
TheThese billet offset sprockets are cnc machined from 1 peice of steel, this results in a precise fit on to your output shaft, this is important as badly fitting sprockets will wear the output shaft splines, because these billet sprockets are cnc machined they also run true, this is another advantage over stamped out or weld up sprockets. these sprockets are case hardened so that they will last longer than a stock sprocket. You can choose between 3/8" or 5/8" offset and 530 or 630 chain pitch
Price: £45.00 (Excluding: VAT at 15%)
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Chain pitch
Offset
Gearing
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 | Tsubaki X-ring gold chain, 530 price per link, 530SGX
This Tsubaki X ring chain offers reduced friction over the O ring chains, O ring chains are not used on race bikes because of the power robbing friction, with the X ring chain you get the long life advantages of an O ring without the friction. A High viscosity grease is vacuum injected internally to dissipate heat and shock load. Sigma series chains feature superior durability and strength that has been tested and proven on race tracks all over the world, Sigma's heavy duty construction gives it exceptional strength and wear resistance, making it the chain of choice for endurance road racing champions. The Sigma series chains feature gold side plates, so if you are looking for a strong, long lasting good looking 530 pitch high performance street bike chain, this is the one. Price is per link, so for a 96 link length chain you will need to input a quantity of "96".
Price: £0.74 (Excluding: VAT at 15%)
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Lightweight anodised rear sprocket
Horsepower measured at the rear wheel is about 15% less than what would be measured at the crankshaft, this is due to power being lost through transmission, chain, sprockets, vibration and moving a large mass like the rear wheel. These anodised alloy sprockets reduce the weight of the rear wheel by up to 2kg. Steel sprockets do not run completely true due to being stamped out, these alloy sprockets are cnc machined which results in a better fit on the wheel and less run out. Anodising will harden the sprocket and look better than black/rusty steel sprockets. Available in your choice and in Red, Blue, Gold, Black or plain Silver. (Not all sizes, amount of teeth are available for all models, if this is the case you will be notified by email) Supplied in 530 pitch unless you state otherwise. Please note anodising normally takes 4-5 days.
Price: £39.00 (Excluding: VAT at 15%)
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Gearing
Colour
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 | Front wheel bearing / seal kit, BRG-2121
Wheel bearings typically fail from dirt and water contamination. These kits include premium EMQ quality KML hi-speed bearings with double lip rubber seals to keep out dirt and water and retain the grease, type TC nitrile elastomer wheel seals have a rubber coated outer and steel garter spring inner to provide constant pressure on the axle shaft and provides further protectoin for the bearings which will extend service life. Price is for the complete set.
Price: £5.50 (Excluding: VAT at 15%)
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Rear wheel bearing / seal kit, BRG-2329
Wheel bearings typically fail from dirt and water contamination. These kits include premium EMQ quality KML hi-speed bearings with double lip rubber seals to keep out dirt and water and retain the grease, type TC nitrile elastomer wheel seals have a rubber coated outer and steel garter spring inner to provide constant pressure on the axle shaft and provides further protectoin for the bearings which will extend service life. Price is for the complete set.
Price: £14.35 (Excluding: VAT at 15%)
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 | Steering bearing set, SSS1270-A
Bad handling is often a result of worn head race bearings, as it is as much work to grease the bearings as it is to replace them, they are often neglected at service intervals. Bad road surfaces and wheelies will result in accelerated wear in the bearings. To check your bearings lift the bike so that the front forks and wheel are free to rotate, if there is a"dead spot" or notch when the forks are gently turned either side of straight ahead, your bearings need replacing.
Price: £19.00 (Excluding: VAT at 15%)
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