TR750 Suzuki photo gallery

rtr7502.JPG TR75072.JPG rtr7501.JPG tr750troku1.jpg xr11c.jpg
rtr7503.JPG tr73.jpg tr750n.jpg tr750i.jpg trpic14.jpg
tr750a.jpg tr750d.jpg tr75.jpg tr750h.jpg tr750g.jpg
750tr4.jpg tr72.jpg tr750s2.jpg dayt74c.jpg tr75b.jpg
750suzi2.jpg tr750f.jpg 1972xr11.jpg workstr.jpg tr750e.jpg
dayt75.jpg dresda.jpg tr750b.jpg foaleraceSuzy750fr03.jpg foaleraceSuzy750fr.jpg
tr75073.jpg Suzy01.jpg foaleraceSuzy750fr02.jpg trpic12.jpg tr750s.jpg
nostr7501.jpg nostr7502.jpg tr75072a.jpg tr750troku.jpg trpic15.jpg
xtr750ad2.jpg 750h2xr1.jpg gtr7501.JPG
tr750m.jpg tr75c.jpg tr750q.jpg ussuz750.jpg

Factory TR750 Suzukis from 1972-76 including some specials

SUZUKITR750

ENGINE

Type Two-stroke, piston-port, triple

Bore and stroke 70mm x 64mm

Piston displacement 738cc

Compression ratio 6.76:1 (variable)

Lubrication .Fuel/oil premix, 20:1 (Shell Super M)

Ignition.... Suzuki P.E.I. (Pointless Electronic Ignition)

Spark Plugs..Champion N57G or N82G

Port Timings:

Intake........ opens/closes 90 degrees -below top dead center, 180 degrees duration

Transfers.... open/close 112 degrees below top dead center, 136 degrees duration Exhaust .:.. opens/closes 80 degrees below top dead center, 200 degrees duration Carburetion. 3x Mikuni VM38SC

Jetting:

Main jet . 280 to 330

Needle jet :. R-2

Jet needle 6DP5-2

Pilot jet ... 45

Air jet... none

Slide cutaway .... 20

Idle air screw . 1% turns out

Bhp @ rpm....112-115 @ 8200 (estimated)

DRIVE TRAIN Primary .... Straight-cut spur gears

Clutch ... Multi-PPate, dry

Transmission...... Six-speed. constant-mesh

Internal ratios (overall, with 17/41 Ontario sprockets) (1) 2.19:1 (8.30:1) (2) 1.63:1 (6.19:1) (3) 1.33:1(5.06:1) (4) 1.15:1 (4.38:1) (5) 1.04:1 (3.94:1) (6) 0.96:1 (3.65:1)

CHASSIS Wheelbase . 57 in.

Rake/Trail .. 29"/4.17 in.

Frame ... Cradle-type, in chromium-molybdenum steel tubing

Wheels ... Morris cast magnesium, 2.5 x 18 front; 3.5 x 18 rear

Tires ... Dunlop 3.25 x 18 front; 3.50 x 18 rear

Suspension ..... Fork and shocks by Kayaba (per Suzuki specifications)

Brakes ... Dual-piston calipers, twin-disc front; single-disc rear

WEIGHTS & CAPACITIES

Weight, dry .....328lbs...

Oil capacity (trans.) 2.7qts

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