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2017 Harley-Davidson tipped for 107 cubes

Harley-Davidson 107 engine
Harley-Davidson 107-cube engine

The internet is alive with rumours that the new 2017 Harley-Davidson range will feature 107 cubic inch (1753cc) engines, going one cube better than Victory Motorcycles.

The Harley-Davidson international launch will be held in the first week of September around Seattle and Motorbike Writer will be there.

We expect we will be riding several Touring models with the bigger 107 engine, after images of the engine were leaked on the Revzilla website with the mirror image of the photographer on the chrome air filter blurred out to protect their identity.

In the background you can see a workshop, so it could be a leak straight from the Harley factory floor!Harley-Davidson 107 engine

We asked Harley-Davidson Australia, but they say they don’t talk about future product.

Harley-Davidson had introduced its Screamin’ Eagle 110 engine to a few “S” models this year and there was some talk they could be rolled out across the range.

But the one cube increase makes a lot of sense as it is a tit-for-tat with fellow Americans Polaris Industries. When they relaunched the Indian Motorcycle it came with a 111 engine, one cube better than the Harley CVO models.

No doubt the 107 engine will be Euro 4 compliant as current models have to meet the tough new emissions standards from January 1, 2017.

To meet the new emissions targets, these single-cam engines are expected to have water- and oil-cooled, twin-spark, four-valve heads operated by a forked rocker. They will also have quieter chain-driven cams and will all sport the hydraulic clutch even though they’ve been having some issues with them.

That means the 107 cube should be rolled out across all models pretty quickly, otherwise Harley will miss out on vital sales in the European market.

Meanwhile, there are also rumours Harley-Davidson will have 114 (1868cc) and/or 131 (2146cc) engines for their CVOs and maybe more limited edition S models.

Who’s to blame Harley for playing the cube war? After all, there is no replacement for displacement!



  1. Depends on the bore and stroke thats a lot of
    metal getting flung around If its a stroked
    motor, harley would want to get the vibration
    under control a bit better. They are already
    getting good performance out of the v-rod.
    Harleys biggest problem is the buyers who
    seem to think any design less than about 80
    years old [ohc’s,liquid cooling etc] is some
    new fangled fad that won’t last

    1. No, Harley buyers or classic bike enthusiasts are not that ignorant on what’s going on in the market. We just like classic style bikes old school. Some riders it’s about performance and others it’s about style; for me it’s about style then performance.

  2. Personally , I was perfectly happy with the old 1450 cc motor , nice and smooth ( for a Harley ) and just went and went with minimal issues . These new engines are just a result of a combination of political meddling in engine design and a perceived need to be the ‘ biggest guy on the block ‘ . How much power do you need when 110 klm’s an hour is the most you can legally do , and with the condition of many Aussie roads that’s often more than enough . Go back to the late 1960’s where a 650 cc Bonneville was considered just about top of the pile , eccentric people owned a 600cc BMW and 1000cc Sportsters were almost exclusively the domain of the 1 percenters . Now a 1200 cc Sportster is often mockingly referred to as a women’s bike .

  3. HD would be better off getting their clutch problems fixed than worrying about more cubes.

  4. Harley copying Victory again by changing to a chain driven cam, I suspect a counter balanced engine wont be to far behind !!

    1. Harleys have been using chain-driven cams for years and they have been using a counter balance motor in their Softail line since the release of the twin cam 88 motor

  5. thats on a trike! you can tell by the front brake calipers and brake hoses. i bet the radiators are housed somewhere towards the rear.

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