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Red Jeep Wrangler Rubicon flexing its suspension on a muddy dirt trail

Jeep Wrangler · Yamaha ATV

Know what is wrong before you pay for it

Jeep and ATV fixes, upgrades and buying advice that hold up in the garage.

Browse chapters

What's that light?

Just filed

Latest in the manual

Two blue Yamaha utility ATVs parked in a grassy field

OG-0601 ATV reviews

Yamaha Grizzly vs Kodiak 700: Differences, Prices and Which to Buy

The Yamaha Grizzly EPS and Kodiak 700 share the same 686cc fuel-injected engine, Ultramatic transmission, racks and 1,300 lb towing rating. The Grizzly adds more front suspension travel, 26-inch tires, more ground clearance, rear disc brakes, LED headlights and standard power steering, and costs $10,599 for 2027. The Kodiak 700 starts at $8,099, or $9,499 with EPS, and is lower and narrower. Buy the Grizzly for rough trails, the Kodiak EPS for work.

Contents

Chapters

Organised the way a problem arrives: a light on the dash, a chime that will not stop, a job you are pricing up.

  1. 01

    Warning lights

    What the light means, whether it is safe to drive, and what the fix usually costs.

  2. 02

    Chimes and switches

    Silence the door chime, the seat belt alarm and the lights that stay on.

    All 7 pages
  3. 03

    Engine swaps

    V8 and diesel conversions: parts, labour, and what the total really comes to.

  4. 04

    Ownership

    Maintenance, towing, winter prep and the small upgrades worth doing.

    All 10 pages
  5. 05

    ATV reviews

    Yamaha quads compared on engine, speed, price and the problems owners report.

    All 6 pages

Spec sheet

Yamaha quads, side by side

All ATV reviews

Yamaha Kodiak 700

Engine
686 cc
Top speed
~60 mph
Price
$8,000–10,500
Type
Utility

Yamaha Raptor 350

Engine
348 cc
Top speed
55–60 mph
Price
$2,000–4,000 used
Type
Sport, 2004–13

Yamaha YFZ 450R

Engine
449 cc
Top speed
~70 mph
Price
$9,500–10,500
Type
Race sport

Figures from each review. Top speeds are typical stock figures and vary with rider, gearing and surface.

Before the quote

Pricing the big jobs

OG-0178

Engine swaps

Jeep Wrangler V8 Conversion Cost (Explained)

A Jeep Wrangler V8 swap is not a cheap modification. A used donor engine alone runs $2,000 to $5,000, and a complete build including transmission, adapters, wiring, cooling, driveshafts and fuel system realistically lands between $12,000 and $25,000. Professional turnkey conversions from specialist shops frequently exceed $30,000.

Close-up of a modern engine bay with intake and wiring
OG-0174

Engine swaps

Jeep Wrangler Diesel Conversion Cost (Is It Worth It)

A diesel conversion is more expensive than most people expect. A Cummins R2.8 crate engine alone is around $9,000 before anything else, and a complete conversion including transmission adapter, cooling, fuel system, wiring and exhaust realistically runs $15,000 to $30,000. The fuel savings do not repay that within any reasonable ownership period.

best v8 engine for jeep wrangler
OG-0089

Engine swaps

What is the Best V8 Engine Swap in a Jeep Wrangler?

The Chrysler HEMI is the usual answer for a Wrangler V8 swap, because the adapters, mounts, wiring solutions and community knowledge already exist for it. LS swaps are the main alternative and have a larger aftermarket, at the cost of more integration work with Jeep electronics. Both are substantial projects rather than weekend jobs.