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Suzuki GT750 Crankshaft

Suzuki GT750 original crankshaft The standard crankshaft prior to being sent to Chris Applebee to be lightened and balanced. Bought this crank new many years ago and it caused a lot of vibrations at low rev, about 1500 rpm the speedo and rev counter would shake all over the place an would be nearly unreadable.

Suzuki GT750 lightened crankshaft The crankshaft came back after a few weeks and looks like they have done a good job. Quite surprised how many lightening holes there have been drilled in the webs. Hopefully won't be too long before I can start the bike up and see if this has improved the problems.



Suzuki GT750 lightened crankshaftSuzuki GT750 lightened crankshaftSuzuki GT750 lightened crankshaftSuzuki GT750 lightened crankshaftSuzuki GT750 lightened crankshaftSuzuki GT750 lightened crankshaftSuzuki GT750 lightened crankshaftSuzuki GT750 lightened crankshaft

I have now had the engine running and the crank work has made a huge difference, hardly any vibration anymore. I have a small clip of the bike running here, has my old Allspeeds on and the audio is not too good, will post another one with the Higgspeed exhausts on as they sound very nice.

 

 

I wouldn't suggest this is right for everyone, but I am very pleased with the final result, it is a shame I didn't have a video of the clocks when revving the engine before I had the work done.

I also balanced the pistons as the left and right pistons varied by 2 grams, used a dremel to sand inside the piston and drilled a couple of shallow holes, got all of them within 0.2 grams, probably not necessary to get that accurate but rather do than an know it is right.

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Last updated .. 12 May, 2017