Classic Motorcycle Mechanics

KAWASAKI KE175

It’s a disc-valved trail bike and you don’t see many of them!

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Scoop’s guide on the much-loved disc-valved trailie.

Anyone who has a thing for older trail irons really ought to sample one of Kawasaki’s sublime KE175S. Possibly not quite as poised on the dirt as a Yamaha DT175 twin shock, the Kwacker’s motor is a little peach and arguably the best of the bunch thanks to its unique induction system. That rotary-valve on the end of the crank gives the bike a level of instant drive on the throttle like little else. Yamaha had opted for reed-valves and these possibly gave the DT a little more tractabili­ty but not the punch. Depending upon market the KE175 ran from 1976 through to 1978 or 1980. Different regions received similar variations on a theme until the turn of the decade when the motocross-inspired KDX series appeared sporting monoshock rear ends. From here water-cooled engine alternativ­es appeared on the scene as Kawasaki grudgingly accepted that the stroker’s days were numbered environmen­tally. That said, liquid-cooling eked out the concept for a few more years. The KE’S basic layout had hardly changed since the early 1960s when the company

had first marketed a four-speed 175cc stroker single charmingly known as the Bushwhacke­r. Half trail bike and half roadster, the F3 was as close as Kawasaki’s single ranges ever got to a street scrambler. The design was heavily revised in 1971 into a full-on trail iron with a five-speed transmissi­on and, cosmetics aside, this is how the bike stayed until Kawasaki started renaming its machines. The former F series became the KE series; KE denoting Kawasaki Enduro. This and the adoption of the nominal engine capacity on the side panel saw the former F7 become the KE175 for the 1976 model year. The bike, alongside its 125cc baby brother, sold in the UK in lowish volume for three key reasons. Firstly Kawasaki UK didn’t really push its trail bike side especially hard as it was gearing itself up ready for a sea-change move away from stinkwheel­s and on to less polluting four-strokes. Secondly Yamaha had maintained a strong off-road presence in the UK from the earliest days of the DT125/175S which were actually ATS and CTS. Thirdly and, perhaps most crucially, Suzuki swamped the UK market with TS185S sold almost disgusting­ly cheaply. The story goes that someone, somewhere (Suzuki Japan or its American importers) had grossly overestima­ted how many TS185 Sierras were needed for the US of A. When this faux pas became common knowledge Suzuki’s UK arm grabbed as many as they could and undercut the opposition. Against this the KE175 stood little chance. Sales of the small KES depended as much upon dealer proximity as anything else and their subsequent survival within the UK at least is normally down to happenstan­ce. Most ended their days as farm or field bikes gradually rotting away before being moved on as just so much scrap. A decade ago two-stroke 70s and 80s trail bikes were only just on the periphery of the classic scene but times have changed substantia­lly. Yamaha’s DT175MX is often seen as the ‘must-have’ period trail iron, thereby marginalis­ing its competitor­s. However, we’ve spotted several importers bringing in KE175S and for not too much money either. If 70s trail bikes are your thing and you fancy something that’s just a little bit different we’d suggest a KE175 before they’re all gone. Great for a bit of old fart off-roading and equally happy on the Tarmac, you really couldn’t find a better, cuter, perkier sub-250cc trail iron.

 ??  ?? SUSPENSION EXHAUSTS CARBURETIO­N PANELS, SEAT & TRIM ENGINE/GEARBOX It all needs to be there, in solid condition. Holed front pipes are a royal pain to repair and don’t take kindly to being welded. Rare in the UK and likely to be expensive to import hence buy the best example you can find. Generally worn and/or rusted. Re-chrome existing stanchions rather than chase NOS as finish is much better. Rear shocks were never outstandin­g when new. Check disc-valve is in good condition or it’ll never run properly: intake system sensitive to air just like any rotary-valve stroker. Well-built and with no real serious issues: invest in a decent puller and be ready to give it some grief as the flywheels are known to be hard to remove.
SUSPENSION EXHAUSTS CARBURETIO­N PANELS, SEAT & TRIM ENGINE/GEARBOX It all needs to be there, in solid condition. Holed front pipes are a royal pain to repair and don’t take kindly to being welded. Rare in the UK and likely to be expensive to import hence buy the best example you can find. Generally worn and/or rusted. Re-chrome existing stanchions rather than chase NOS as finish is much better. Rear shocks were never outstandin­g when new. Check disc-valve is in good condition or it’ll never run properly: intake system sensitive to air just like any rotary-valve stroker. Well-built and with no real serious issues: invest in a decent puller and be ready to give it some grief as the flywheels are known to be hard to remove.
 ??  ?? BRAKES Replace brake shoes as a matter of course; linings can delaminate away from the ally casting. ELECTRICS Many seem to be messed about with for off-road use. Find a wiring diagram and rewire rather than fix someone else’s bodges.
BRAKES Replace brake shoes as a matter of course; linings can delaminate away from the ally casting. ELECTRICS Many seem to be messed about with for off-road use. Find a wiring diagram and rewire rather than fix someone else’s bodges.
 ??  ?? Clocks are crisp and clear: so 1970s!
Clocks are crisp and clear: so 1970s!

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