2015 Harley-Davidson Dyna Fat Bob Specifications

Name: 2015 Harley-Davidson Dyna Fat Bob
Brand: Harley-Davidson

No images available

Tap to enlarge

2015 Harley-Davidson Dyna Fat Bob Overview

The 2015 Harley-Davidson Dyna Fat Bob is a custom / cruiser motorcycle built around 1690 cc of displacement. Under the tank sits a Four stroke, V-Twin, Twin Cam 103° with integrated oil cooler engine, a compression ratio of 9.6:1. 2015 Harley-Davidson Dyna Fat Bob delivers 134 Nm @ 3500 rpm of torque. From a practical standpoint, the 2015 Dyna Fat Bob tips the scales at 320 kg, carries a 18.9-litre fuel tank, offers a seat height of Laden 663 mm and spans a 1618 mm wheelbase. Scroll down for the complete 2015 Harley-Davidson Dyna Fat Bob spec sheet covering every technical detail from suspension travel to tyre sizes.

2015 Dyna Fat Bob - Pros & Cons

Strengths

Accessible seat height: At Laden 663 mm, the seat height is approachable for a wide range of rider heights and builds confidence in low-speed manoeuvring.

Considerations

Age-related wear: As with any used Dyna Fat Bob, a thorough pre-purchase inspection covering consumables, service history and tyres is always recommended.

Owner Experiences & Common Issues

Low-speed confidence

At 320 kg, the Dyna Fat Bob is a substantial machine. New owners occasionally mention that slow-speed manoeuvring in car parks takes a little getting used to. Once moving, the weight disappears - but practising slow-speed exercises builds confidence quickly.

Dyna Fat Bob - Buying & Maintenance Guide

What to check before buying

When inspecting a used 2015 Harley-Davidson Dyna Fat Bob, start with the basics: check the service book for oil change frequency, inspect the chain and sprockets for wear, and look for oil seepage around the engine casings and rocker covers. A cold start test is invaluable - a well-maintained Dyna Fat Bob should fire up cleanly and settle to a smooth idle within a few seconds.

Oil and filter changes

Regular oil changes are the single most important maintenance task on any Dyna Fat Bob. Stick to the manufacturer's interval - typically every 6,000 km or once a year, whichever comes first. Always use the correct viscosity grade as specified in the owner's manual.

2015 Harley-Davidson Dyna Fat Bob - Frequently Asked Questions

What engine does the 2015 Harley-Davidson Dyna Fat Bob have?

The 2015 Harley-Davidson Dyna Fat Bob uses a Four stroke, V-Twin, Twin Cam 103° with integrated oil cooler engine with 1690 cc of displacement. It is air cooled.

How much does the 2015 Harley-Davidson Dyna Fat Bob weigh?

The 2015 Harley-Davidson Dyna Fat Bob weighs 320 kg. This is the manufacturer's wet figure.

How much power does the 2015 Harley-Davidson Dyna Fat Bob make?

The 2015 Harley-Davidson Dyna Fat Bob produces 134 Nm @ 3500 rpm of torque.

What is the fuel tank capacity of the 2015 Harley-Davidson Dyna Fat Bob?

The 2015 Harley-Davidson Dyna Fat Bob has a 18.9-litre fuel tank.

Is the 2015 Harley-Davidson Dyna Fat Bob suitable for shorter riders?

The 2015 Harley-Davidson Dyna Fat Bob has a seat height of Laden 663 mm. This is a comfortable, accessible height for most riders.

What brakes does the 2015 Harley-Davidson Dyna Fat Bob have?

The 2015 Harley-Davidson Dyna Fat Bob uses Single 300mm disc 4 piston caliper at the front and Single 292mm disc 2 piston caliper at the rear.

What tyre sizes does the 2015 Harley-Davidson Dyna Fat Bob use?

The 2015 Harley-Davidson Dyna Fat Bob runs 130/90B16 67 front and 180/70B16 77H rear tyres. A good selection of sport, touring and all-weather rubber is available in these sizes.

What gearbox does the 2015 Harley-Davidson Dyna Fat Bob have?

The 2015 Harley-Davidson Dyna Fat Bob is fitted with a 6 Speed transmission.

Harley-Davidson Dyna Fat Bob Spec Evolution

The Harley-Davidson Dyna Fat Bob was produced across 2 model years (2015-2017). The table below highlights the key specifications that changed across the production run - useful whether you are comparing years or tracking down a specific variant.

Specification	2015	2017
Wet Weight	320 kg / 706 lbs	321 kg / 708 lbs
Seat Height	Laden 663 mm / 26.1 in Unladen 686 mm / 27.0 in	Unladen 690 mm / 27.2 in
Fuel Capacity	18.9 Litres / 5.0 US gal	18 9 Litres / 5.0 US gal
Brakes - Front	Single 300mm disc 4 piston caliper	Single 300mm disc, 4 piston fixed caliper
Wheelbase	1618 mm / 63.7 in.	1620 mm / 63.8 in.
Brakes - Rear	Single 292mm disc 2 piston caliper	Single 292mm disc, 2 piston torque-free floating caliper
Bore x Stroke	98.4 x 111.3 mm	98.4 x 111.1 mm
Oil Capacity	2.8 Litres / 3.0 qts	2.8 Litres / 3.0 US qt