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  • '09+ / K9+ GSXR1000 Race Alternator
  • '09+ / K9+ GSXR1000 Race Alternator

    BDK Race Engineering

    MSRP:
    Was:
    Now: £1,061.42 inc. VAT
    MSRP:
    Now: £884.52 ex. VAT
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    (No reviews yet) Write a Review
    SKU:
    SRG1-09

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    Product Description

    Suzuki GSXR1000 K9 onwards Race Generator kit 

    This is the complete race generator kit including the lightweight flywheel, stator, mounting plate, machined generator cover, cup fasteners, connectors, gasket, seal, clip and specific regulator / rectifier.

    The higher cost of this item compared to other generator kits is due to the necessity to run a machined generator cover to fit the system in.  To add convenience and also so that it is simple to revert back to a standard generator when selling the bike or in the event of damage resulting from an off everything associated with the cover is included in the kit.  This should be useful for those who can't afford a spare generator sitting in the truck - it's better to go out with a heavy standard generator than end your race weekend without getting on the grid!

    Significantly lighter than standard, offering higher output than 'race kit' versions, providing increased throttle response,less gyroscopic forces and more bhp everywhere.  It is designed to fit high performance injection engines, and as a replacement for standard alternator systems.

    Typical gains on a standard bike are around 4-5bhp and generally the higher the state of tune of the bike the greater the gain.

    This state-of-the-art alternator uses a tiny 45mm diameter rotor weighing only 164g.  This significantly reduces the effective weight of the crank by not only reducing the weight of the rotor by at least 72% from 600g+, but also by reducing the radius over which this weight acts.  Standard rotors are around 120mm in diameter (compared to ours at 45mm), so the speed of the edge of the rotor is much higher - for example at 14000 rpm the standard rotor edge is travelling at 200mph, our rotor edge is only travelling at under 75mph.  Anyone who's tried knows that it takes significantly less time and effort to accelerate up to and stop from 75mph than it does from 200mph in a vehicle 4 times the weight; this translates to much improved throttle response and faster acceleration.

    With fuel injected bikes the option to run a 'total loss' system has become impossible, due to the drains from fuel pumps and injectors.  The standard alternators are designed to run headlights etc and need to be able to supply significantly more power than you will ever need on a race bike.  This means you can use a considerably smaller system, reducing the weight of the crankshaft assembly.  

    Most race kit generators have a smaller rotor with less windings in the stator so that they produce less outright power (and accordingly take less power from the crank to generate the electricity), and use a standard reg/rec.

    The problem with this is that you have to rev the engine quite hard to produce any useable power and any excess electricity created is still converted to heat in the reg/rec and thrown out the back of the bike.

    Our generators also use a small rotor but our windings have a lot of turns of fine wire.  This allows us to provide strong and consistent power at lower revs, but the clever part is in the reg/rec.  The reg/rec contains a switching system which cuts the generating power when the desired voltage is reached and therefore the power is not taken from the crank to convert to electricity in the first place.  This is why our reg/recs run much cooler than standard models and why you cannot use our generators with a standard reg/rec as the generator would be under load all the time creating excessive heat in the windings.

     

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    '09+ / K9+ GSXR1000 Race Alternator

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    BDK Race Engineering
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    Norwich.
    NR16 1ER
    Norfolk
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