Suzuki Boulevard M109R (MY2006) — Cruiser
Suzuki Press

2006 · Cruiser · Buyer's Guide

Boulevard M109R (MY2006)

3.5 / 5 NastyNils Rating · against its class

Drag Bike DNA in Cruiser Clothes

The Machine's Character

The M109R is a muscle cruiser built around one oversized idea: a 1783 cc liquid-cooled 54° V-twin that makes 125 hp at 6,200 rpm and its peak 118 lb-ft at just 3,250 rpm. That puts the torque exactly where a cruiser lives. Suzuki wraps the engine in a steel double-cradle frame with an upside-down fork, shaft final drive and a 240/40-18 rear tire that owns the whole silhouette. The numbers around it tell the same story: a 27.8 in (705 mm) seat, a 67.5 in (1715 mm) wheelbase and 765 lb (347 kg) wet. It's a lot of metal, and that's on purpose. Pure presence!

On paper, this hardware is built for the boulevard and the open highway, not for tight switchbacks. A long wheelbase, a fat rear tire and peak torque that low in the rev range point to a bike set up for stability and big roll-on pull. Steering agility was traded away by design. Shaft drive means you have no chain to look after, and the tank holds 5.2 gal (19.5 L). There's no electronics layer either: no ABS, no traction control, no ride modes, and only the rear shock takes preload adjustment. If you want a big mechanical cruiser with real substance and very few gimmicks, that's the appeal. Honest muscle.

Hard Numbers

Spec sheets don't ride bikes, but they set the baseline.

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Key specifications
Power 125 hp (92 kW) @ 6,200 rpm
Torque 118 lb-ft (160 Nm) @ 3,250 rpm
Displacement 1783 cc
Engine 54° V-twin
Cooling Liquid-cooled
Gearbox 5-speed
Final drive Shaft
Fork Upside-down (USD)
Front tire 130/70-18
Rear tire 240/40-18
Wheelbase 67.5 in (1715 mm)
Seat height 27.8 in (705 mm)
Wet weight 765 lb (347 kg)
Fuel capacity 5.2 gal (19.5 L)

Equipment check

Chassis

  • Rear Suspension Adjustable Standard
A long, straight paved road stretches toward the horizon through agricultural fields in Vermont. Power lines and a mailbox are visible along the roadside. Lush green vegetation, cumulus clouds, good daylight conditions. The landscape is flat to gently rolling. Asphalt pavement appears to be in good condition. Rural American setting.
Meric Tuna / Pexels

The Truth on the Street

Over the years I've heard a lot about the M109R: in paddock conversations, in chats with owners, on club nights, and in the messages riders send me directly. The pattern is consistent. Owners love the engine and the look, and they are just as clear about where the bike asks for patience.

The shove owners keep describing

The engine is what owners bring up first and most often. They describe roll-on acceleration that takes almost no effort and a seat-of-the-pants shove they don't forget. The styling comes up nearly as often. Owners point to the fat rear tire, the slash-cut exhaust and the aggressive stance, and they say it sets the bike apart from ordinary cruisers. Several also value the enclosed shaft drive because it asks for so little maintenance.

Heavy hands, dragging parts

The complaints are just as consistent. The clutch lever takes real effort, and riders say it gets tiring in stop-and-go traffic. Owners call the bike cumbersome in tight turns, and they say it starts dragging hard parts fairly early once the pace picks up. Passengers get a poor deal. The solo-seat design and forward controls leave them little room, and some owners say even the optional pillion pad doesn't make the ride comfortable.

Known issues

  • Second gear pops out to neutral

    drivetrain common

    A known transmission defect causes the bike to jump out of second gear under acceleration. The problem is widespread on 2006–2009 models and can be hazardous if it occurs mid-corner or when passing. Many owners have reported repairs under warranty or out of pocket; no factory recall, but a revised clutch/gear mechanism was introduced in later years.

  • Clutch shudder/grabby engagement

    drivetrain occasional

    Some owners experience shudder or grabby clutch engagement, especially after the bike is warm. This is often linked to worn clutch plates or improper adjustment, but can occur at moderate mileage.

  • Clutch cable breakage

    drivetrain occasional

    The clutch cable can snap prematurely, especially on earlier models. Owners often carry a spare cable and tools as a precaution.

  • Sensitive oil level — overfill causes air filter contamination

    engine occasional

    The M109R’s dry-sump engine requires precise oil level checks. Overfilling (common when only one drain plug is removed) pushes oil into the airbox, leading to filter saturation and potential running issues.

The Expert Benchmark

Where this Suzuki Boulevard M109R pulls ahead of — or falls behind — its rivals on the numbers, and the typical bike in its class on character.

What kind of bike this is — character vs. the class

This bike Class average

The shape of the Suzuki Boulevard M109R — numbers and character vs. the average Cruiser

Head-to-head: Suzuki Boulevard M109R vs. its rivals

The 'Should I Buy It?' Score

Forget spec-sheet bragging. Here's who the Boulevard M109R is actually built for.

Aerial view of a winding asphalt road cutting through volcanic terrain on La Gomera, Canary Islands. The road curves through sparse green vegetation with rocky volcanic peaks visible in the background and a settled valley to the left. Clear lane markings, dry climate, partly cloudy sky.

Best cruiser for Sturgis?

Of these three riders, you're the best fit. If the ride to Sturgis or Daytona is about presence, the M109R has it in the hardware: a 1783 cc V-twin, a 240 rear tire and a long, low stance.

Made for Black Hills / Sturgis Rally Hub · A1A — Florida Atlantic Coast · Daytona Main Street / Bike Week

Best retro motorcycle for road trips?

A partial fit. The 27.8 in seat and low-rpm torque suit an easy small-town rhythm, but the look is muscle, not classic. And 765 lb is a lot of motorcycle.

Made for Acadia National Park · Austin / Handbuilt Motorcycle Show · Blue Ridge Parkway

Best touring motorcycle for long distance?

It can cover distance, and shaft drive plus a 5.2 gal (19.5 L) tank help. But it has no factory luggage, cruise control or adjustable screen. For big-mile touring with full bags, it's a stretch.

Made for Beartooth Highway · Blue Ridge Parkway · Going-to-the-Sun Road