Larson Senza 186 I/O

Q: What years was the Larson Senza 186 I/O produced?

Our records show the Larson Senza 186 I/O was available from 2007 through to 2011 — a production run of 3 model years. Use the year cards above to find the specific year you're researching.

Q: How long is the Larson Senza 186 I/O?

The Larson Senza 186 I/O measures 18.5 feet in overall length. Always confirm against the specific year sheet, as dimensions can vary between model year revisions.

Q: How much does the Larson Senza 186 I/O weigh?

The Larson Senza 186 I/O has a documented dry weight of 27 lbs. Add your motor, fuel, and gear when calculating total towing weight.

Q: What is the maximum horsepower for the Larson Senza 186 I/O?

The Larson Senza 186 I/O has a maximum engine rating of 270 hp. Always fit an engine at or below the rated maximum to stay within the builder's safety specification.

Q: How many people can the Larson Senza 186 I/O carry?

The Larson Senza 186 I/O is rated for 9 passengers. As a practical guide, most experienced skippers aim for around 80% of rated capacity for a comfortable day on the water.

Q: What hull type does the Larson Senza 186 I/O use?

The Larson Senza 186 I/O features a fiberglass modified vee hull. Deep-V and modified-V hulls cut through chop efficiently and are popular for fishing and general runabout use.

Q: What is the fuel capacity of the Larson Senza 186 I/O?

The Larson Senza 186 I/O carries a 29-gallon fuel tank. Actual range depends on motor choice, load, and conditions.

Q: Who makes the Larson Senza 186 I/O?

The Larson Senza 186 I/O is manufactured by Larson. Browse the full Larson spec catalogue to compare other models from the same range.

Larson Senza 186 I/O — all spec sheets

Medium

Model Overview

Larson Senza 186 I/O Specifications

Length18.5 ft

Beam7 ft. 10 in. (2.39 m)

Weight27 lbs

Max HP270 hp

Fuel29 gal

Capacity9 people

Years Made2007–2011

HullModified Vee

MaterialFiberglass

The Larson Senza 186 I/O was built across 3 model years, from 2007 through to 2011 — a fiberglass modified vee design with i/o propulsion.

Documented specifications include 18.5 ft in overall length, a dry weight of 27 lbs, a maximum engine rating of 270 hp, capacity for 9 people and a 29-gallon fuel tank. Click any year card below to view the full spec sheet.

Spec changes across years: HP rating updated — 225 hp from 2008; 270 hp from 2011.

Browse by year

2007 2008 2011

Compare model years

2007 vs 2008 2008 vs 2011

Spec sheets — all years

Larson Senza 186 I/O 2011 Boat Specs

2011

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Larson Senza 186 I/O 2008 Boat Specs

2008

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Larson Senza 186 I/O 2007 Boat Specs

2007

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Larson Senza 186 I/O — Common Questions

What years was the Larson Senza 186 I/O produced?

Our records show the Larson Senza 186 I/O was available from 2007 through to 2011 — a production run of 3 model years. Use the year cards above to find the specific year you're researching.

How long is the Larson Senza 186 I/O?

The Larson Senza 186 I/O measures 18.5 feet in overall length. Always confirm against the specific year sheet, as dimensions can vary between model year revisions.

How much does the Larson Senza 186 I/O weigh?

The Larson Senza 186 I/O has a documented dry weight of 27 lbs. Add your motor, fuel, and gear when calculating total towing weight.

What is the maximum horsepower for the Larson Senza 186 I/O?

The Larson Senza 186 I/O has a maximum engine rating of 270 hp. Always fit an engine at or below the rated maximum to stay within the builder's safety specification.

How many people can the Larson Senza 186 I/O carry?

The Larson Senza 186 I/O is rated for 9 passengers. As a practical guide, most experienced skippers aim for around 80% of rated capacity for a comfortable day on the water.

What hull type does the Larson Senza 186 I/O use?

The Larson Senza 186 I/O features a fiberglass modified vee hull. Deep-V and modified-V hulls cut through chop efficiently and are popular for fishing and general runabout use.

What is the fuel capacity of the Larson Senza 186 I/O?

The Larson Senza 186 I/O carries a 29-gallon fuel tank. Actual range depends on motor choice, load, and conditions.

Who makes the Larson Senza 186 I/O?

The Larson Senza 186 I/O is manufactured by Larson. Browse the full Larson spec catalogue to compare other models from the same range.