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Suzuki GT750 Engine

I sprayed the crankcases 18 years or so ago in gloss 2 pack and over the years have gone off the colour as it made the engine look too dark, so I have stripped the bike down again and putting back similar to the original silver colour.

Suzuki GT750 enginePainted crankcases black about 18 years ago and had chrome engine casings, but after leaving outside for a while and not starting the engine the chrome casings stayed wet with condensation and the chrome blistered off.

Suzuki GT750 gear boxStriping down engine ready for blasting and painting.

Suzuki GT750 crankshaft and gearbox

Suzuki GT750 crancase in 2 pack primerCrankcases have been lightly sandblasted and jet washed to clear out any grit that got past the ally plate. Masked up and coated with 2 pack etch primer.

Suzuki GT750 crankcase

Suzuki GT750 crancase 2 part calliper paintSprayed with foliatec 2 part brake caliper paint, which is resistant to most chemicals and brake fluid. Usually touch dry in 2 hours. Most of the caliper paints now-a-days are single part, and nowhere near as good.

Suzuki GT750 crankcaseThe breather pipe on the crankcase near the oil pump has been tapped and a stainless insert screwed in with a raised centre to protrude in to the recess in the oil pump housing as when I use to jet wash the bike water would enter the breather pipe if on the side stand as it collected on the top of the crankcase. The insert will screw in so only 5 – 8 mm is showing.

Suzuki GT750 crankcase bottomStarted putting the engine back together. Just waiting on the crankshaft to be lightened and dynamically balanced.

Suzuki GT750 crankcaseA big gap where the crank should go, will upload some pictures when I get the crank back, hopefully a few pounds lighter and a bit less vibrations.

Suzuki GT750 crankcase lower

Suzuki GT750 lower

Suzuki GT750 crankcaseBase of the transfer ports have been polished helps prevent and build up of gunge.

Suzuki GT750 crankcase

Suzuki GT750 crankcase

Suzuki GT750 crankcaseThe crankshaft is back, lightened and balanced. Can see more photos of the crank here

Suzuki GT750 crankcase

Suzuki GT750 crankcaseMore photos of the oil pump can be seen here.

Suzuki GT750 engine

Suzuki GT750 rear mudguardsTransfer ports sanded and polished, the brass oil pipes have been temporarily tapped out.

Suzuki GT750 rear mudguardsExhaust ports sanded and polished.

Suzuki GT750 rear mudguardsInlet ports opend up to 40mm to match the carbs, splitter moved back and knife edged, sanded and polished.

Suzuki GT750 rear mudguardsTransfer ports sanded and polished, the brass oil pipes have been temporarily tapped out.

Suzuki GT750 engineJust put engine the in the frame.

Suzuki GT750 rear mudguardsTransfer ports sanded and polished, the brass oil pipes have been temporarily tapped out.

Back to Suzuki GT750 pagesBack to www.astrax.co.uk


Last updated .. 12 May, 2017