Great Southern Motorcycles
(08) 9841 2246
gsmc@gsmc.com.au
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The Service Department

At Great Southern Motorcycles we provide high quality service to on and off road motorbikes to ensure that your machine is running as smoothly as can be.

For scheduled servicing, warranty repairs or the occasional unexpected hiccup, our service department is staffed by dedicated technicians and service advisors who are committed to total customer satisfaction.  

Not only do we service Harley-Davidson, Ducati and Polaris, but all your motorcycle brands out there. Whether you own a Honda, Triumph, Kawasaki, Yamaha, Suzuki, Victory or Indian - we would love to look after you and your bike.

Kelli, Richard, Mitch and Travis are on hand to look after all your motorcycle service needs and can be contacted between 8:30am to 5:30pm Monday - Friday or 8:30am to 12:30pm on Saturdays, we would love to hear from you!

Service Department

Phone (08) 9841 2246 

Fax: (08) 9842 5212 
Email: workshop@gsmc.com.au

Repairer's Licence Number: MRB 22276


Screamin’ Eagle Super Tuner

Get the biggest advantage at the race track with the Screamin’ Eagle pro EFI super tuner. This makes tuning easier with dozens of innovative tuning enhancements. The super tuner allows technicians to calibrate and tune your EFI management system to run correctly and efficiently with any modifications or changes to your engine. This is not a one use only map – the super tuner can be connected to your bike and adjustments can be made at any time, easily and efficiently.

$768.00 Fitted


Screamin’ Eagle 204, 211 & 254E Cams for Twin Cams

SE-204 Cam Kit:

This midrange torque bolt-in cam produces peak horsepower around 5800 rpm and installation does not require any headwork or performance valve springs.

SE-211 Cam Kit:

This cam shaft works great with 103" and larger engines with free flowing intake and exhaust. This bolt-in camshaft works well with stock heads and high compression pistons. It increases midrange torque and top end power. Also works well as a bolt-in high performance upgrade in stock engines.

SE 254E Cam Kit:

This cam provides great low-end torque along with good midrange. A good "all-around" cam, it is a good match for when the aggressive rider desires a little more top-end horsepower. In a 0-60 sprint or ¼ mile drag race, the SE-254E equipped model would pull ahead of an identical model with SE-255 cam.

GSMC Cam Upgrades also include Upgraded Inner Cam Bearings, Cam Spacers and Gasket Set.

$1,393.90 Fitted


Screamin’ Eagle Pro XL Performance Cams for Sportster

This high performance cam features bolt in installation with increased lift and duration over the stock cams. This cam is best suited for high horsepower and high RPM applications, and the .551" lift improves peak horsepower above 4,500 RPM.

GSMC XL Cam upgrades also includes Gaskets.

$1,353.90 Fitted


Screamin’ Eagle Performance Sportster Kit

This kit is specifically put together by Great Southern Motorcycles to get a huge performance gain from your 1200 Sportster, combining Performance Heads, Forged Pistons and Pro Sportster High Output Cam.

Screamin’ Eagle Pro Sportster Performance Cylinder Heads:

Adds gains in both torque and peak horsepower. These heads are decked to provide a 55cc combustion chamber. Heads are factory assembled with Beehive Performance Valve Springs.

Screamin’ Eagle Pro XL1200 Forged High Compression Piston Kit:

Designed to develop an 11.3:1 compression ratio with the Performance Heads, these forged pistons have been plated with Electroless-Nickel for maximum durability in high performance applications.

Screamin’ Eagle Pro Sportster High Output Cam Kit:

Achieve solid horsepower gains at high RPM. This high output cam kit is designed to work with compression ratios up to 11.3:1 when used with Screamin’ Eagle Performance Cylinder Heads and High Compression Pistons.

GSMC Performance Sportster Upgrades also include Cylinder Heads, Pistons, Cams, Perfect Fit Pushrods, Screamin’ Eagle Spark Plugs, Gaskets, Engine Oil and Filter.

$3,753.85 Fitted


Screamin’ Eagle Sportster 883cc to 1200cc Kit

Make your 883 roar. This complete conversion kit will alter the personality of your 883-equipped Sportster model. Designed to bring your XL 883 model up to XL 1200 specifications, this kit includes Sportster Stage I Air Cleaner Kit, XL 1200 cylinder heads, and XL 1200 cylinders and pistons.

GSMC Sportster 883cc to 1200cc kit also includes Primary Oil, Engine Oil and Filter.

$2,847.30 Fitted


Screamin’ Eagle Pro Sportster 883cc to 1200cc Kit

Upgrade displacement and performance of your Iron 883 model. The all-black big bore cylinders bump your engine’s displacement to 1200cc, and the matching 10.5:1 high-compression pistons are engineered to maximize the performance with the Original Equipment cylinder heads. The mild Screamin’ Eagle performance cams are designed to complement the stock lifters, valve springs and rocker arms. Complete kit includes top-end gaskets, performance clutch spring, and the Screamin’ Eagle Pro Super Tuner for trackside performance adjustments.

GSMC Pro Sportster 883cc to 1200cc Kit also includes Screamin’ Eagle Spark Plugs, Primary Oil, Engine Oil and Filter.

$3,096.35 Fitted


Screamin’ Eagle Stage II 96" to 103" Kit

The stage II Big Bore Kit provides the parts you need to improve the performance and horsepower of your EFI-Equipped model. The kit increases the displacement of your Twin-Cam equipped model from 96ci (1584cc) to 103ci (1690cc). Kit includes SE-255 cams, 3-7/8" Big Bore cylinders, flat top pistons, a high performance clutch spring and all mounting hardware and gaskets.

GSMC Stage II Upgrade also includes Upgraded Inner Cam Bearings, Screamin’ Eagle Spark Plugs, Primary Cover Gasket, Primary Oil, Engine Oil and Filter.

$2,547.85 Fitted


Screamin’ Eagle Stage III 96" to 103" Kit

The stage III bolt on kit is designed to provide increased performance enhancements at an attractive price range that will work with your Original Equipment heads. Kit includes 3-7/8" diameter highlighted cylinders, forged aluminium 10.5:1 compression ratio pistons, SE259E cams supported by high-performance valve springs along with the appropriate Perfect-Fit pushrods and gasket kit. In addition, a Screamin’ Eagle Super Tuner is included to provide the correct calibration for appropriate tuning abilities.

GSMC Stage III Upgrade also includes Upgraded Inner Cam Bearings, Screamin’ Eagle Spark Plugs, Primary Cover Gasket, Primary Oil, Engine Oil and Filter.

$3,896.45 Fitted


Screamin’ Eagle Stage III 103" Kit

The Stage III bolt on kit is designed to provide increased performance enhancements at an attractive price range that will work with your Original Equipment heads. Kit includes 3-7/8" diameter highlighted cylinders, forged aluminium 10.5:1 compression ratio pistons, SE259E cams supported by high-performance valve springs along with the appropriate Perfect-Fit pushrods and gasket kit. In addition, a Screamin’ Eagle Super Tuner is included to provide the correct calibration for appropriate tuning abilities.

GSMC Stage III Upgrade also includes Upgraded Inner Cam Bearings, Screamin’ Eagle Spark Plugs, Primary Cover Gasket, Primary Oil, Engine Oil and Filter.

$3,082.90 Fitted


Screamin’ Eagle Stage IV 103" Kit

Here’s a 103ci racing kit that puts it all together for you. If you’re looking to build a fast, track ready 103 kit and want all the components you need to maximize your results, here’s the kit! We’ve put all the components together including SE performance heads that provide a great performance upgrade for a 103ci at a very attractive price. Kit includes high performance/ high flow Screamin’ Eagle Performance 110+ Heads which include larger intake valves at 2.120" diameter, high compression forged aluminium 10.5:1 pistons matched to the 110+ heads, SE-260 cams to open the valves appropriately, allowing the right balance of air and fuel to enter, Perfect-Fit Pushrods to accommodate the higher cam lift, a 58mm EFI throttle body to get that air flow to the heads, big 3-7/8" diameter highlighted cylinders, then topping off this kit with a Super Tuner to provide the right tuning capabilities.

GSMC Stage IV Upgrade also includes Upgraded Inner Cam Bearings, Automatic Compression Releases, Screamin’ Eagle Spark Plugs, Gaskets, Engine Oil and Filter.

Air Cleaner for 58mm Throttle Body required.

$4,851.25 Fitted


Screamin’ Eagle Pro Stage II Kit – VRSC Models

Increase your VRSC model’s top-end horsepower and race performance. When paired with your choice of exhaust system, the Screamin’ Eagle Pro intake and exhaust cams, tuned-length short velocity stacks and a high-flow air cleaner combine to produce a solid 20 horsepower boost at the rear wheel.

GSMC Stage II Kit also includes gaskets and Air Temp Sensor Relocation Kit.

May require valve shims as needed. Not included in price.

$2,159.05 Fitted


Screamin’ Eagle Pro 113" Race Kit

A complete kit for the racing performance enthusiast. This kit has it all to get your motor to perform competitively at the track. This kit includes precision honed big bore 4.060 diameter cylinders with high compression 10.5:1 forged aluminium pistons, a set of high lift SE-266E cams, CNC Ported MVA Heads with 2.120" diameter intake valves, perfect fit pushrods and gaskets. This kit also includes a 58mm throttle body along with large fuel injectors. To top off the kit we’ve also included the very popular Super Tuner.

GSMC Pro 113" Upgrade also includes Upgraded Inner Cam Bearings, Automatic Compression Releases, Extra Lefty Bearing, Screamin’ Eagle Spark Plugs, Primary Oil, Gaskets, Engine Oil and Filter.

Air Cleaner for 58mm Throttle Body required.

$6,945.05 Fitted


Screamin’ Eagle 120R Complete Motor

This track-ready 120ci Screamin’ Eagle Crate Motor is waiting to provide you with the opportunity to go racing at an affordable price. This engine is designed for bolt-in installation in the Original-Equipment style chassis of your bike. The crankcase, cylinders and heads are painted black, and feature machined aluminium highlights and chrome covers for a stunning "show and go" look. Once fitted with appropriate high flow throttle body and injectors, an open air induction and tuned exhaust, this engine is capable of producing a reliable 135+ horsepower at the rear wheel.

GSMC 120R Upgrade also includes 58mm Throttle Body, High Flow Injectors, Performance Clutch Upgrade, Primary Oil and Engine Oil.

Air Cleaner for 58mm Throttle Body required.

Softail $11,318.40 Fitted

Dyna & Touring $10,896.00 Fitted


Screamin’ Eagle Pro 120RX Race Kit

Engineered to maximize the track performance of the Screamin’ Eagle SE120R race engine, this system-matched pairing of Race Xtreme components is sure to put you in the winners circle. When combined with a race-use stepped header system, this combination can produce over 145 rear-wheel horsepower.

This kit includes the following Screamin’ Eagle Components:

Hurricane CNC Oval Ported Cylinder Heads, Forged 12:1 Compression Piston Kit, RX-267 Performance Cam Kit, Tapered Quick-Install Pushrods, 62mm or 64mm Throttle Body, High-Flow Oval Port Intake Manifold, High-Flow Injector Kit, Velocity Stack Kit, Super Tuner and all necessary Gaskets.

GSMC Pro 120RX Kit also includes Heavy Breather Air Filter Element and Rain Sock.

Cable Throttle $5,142.55 Fitted (62mm Throttle Body)

Electronic Throttle $5,399.60 Fitted (64mm Throttle Body)


Screamin’ Eagle 117" Bolt-On Race Kit

Turn your Original Equipment 110ci model into a fast reliable 117ci Twin Cam hauler without having to remove the motor from the chassis. This Street Performance kit combines system matched Screamin’ Eagle big bore cylinders, forged pistons and performance cams and valve train components with the original cylinder heads for a cost effective boost in torque and performance. This kit also includes a 58mm throttle body along with large fuel injectors. To top off the kit we’ve also included the very popular Super Tuner.

GSMC Pro 117" Upgrade also includes Upgraded Inner Cam Bearings, Screamin’ Eagle Spark Plugs, Gaskets, Engine Oil and Filter.

Air Cleaner for 58mm Throttle Body required.

$4,918.65 Fitted


Screamin’ Eagle Stage V 110 Tyre Shredder Kit

Now you can build a track ready 110ci big bore monster without having to remove the engine from the chassis. This kit features exclusive bolt on 4.0" bore cylinders that are engineered with high strength steel liners that slip into the existing Twin Cam crankcase. Kit also includes CNC Ported Cylinder Heads, Forged 10.5:1 Compression Pistons, SE 259 Cams, matched to Perfect Fit Pushrods, and High Capacity Roller Tappets. Also included is a 58mm Throttle Body, High Flow Fuel Injectors and an EFI Super Tuner to ensure the right tuning capabilities. This kit when combined with your choice of 58mm High Flow Air Cleaner and free flowing exhaust has the potential to produce 113 horsepower at the rear wheel.

GSMC Stage V 110 Upgrade also includes Screamin’ Eagle Spark Plugs, Gaskets, Engine Oil and Filter.

Air Cleaner for 58mm Throttle Body required.

$4,851.25 Fitted