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Massimo MSU-500 EFI Side by Side UTV

SKU # 103088699
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The Massimo MSU-500 EFI Utility Side by Side Vehicle is built tough to deliver excellent performance, whether it's tackling tough jobs or hitting the trails. All Massimo vehicles are assembled and inspected here in the U.S.A. and come with a 1 year parts & labor warranty.

  • On-command four-wheel-drive (4WD)
  • 471cc 24 HP 1 cylinder 4-stroke OHV liquid cooled engine
  • Electronic ignition
  • Maximum cargo bed load limit: 350 lb.
  • 40 MPH max speed
  • Max trailer weight: 1,200 lb.

Specification Description
Recommended Ages: 16 and older
Starter Type: Electronic Fuel Injected
Product Length: 118 in.
Seat Height: 31 in.
Maximum Weight Capacity: 1,200 lb.
Gas Tank Capacity: 7.6 gal.
Brand: Massimo
Product Width: 57 in.
Product Height: 72 in.
Engine Type: 1 Cylinder 4 Stroke Liquid Cooled
Product Weight: 1146 lbs.
Brake Type: Dual Hydraulic Disc, Rear Drum
Product Type: ATV & UTV
Warranty: 1-Year Limited
Power Type: Gas
Engine Displacement: 471 cc
CARB Compliant: Yes
Transmission Type: CVT Automatic
Horsepower: 24 HP
Maximum Speed: 40 MPH
Manufacturer Part Number MSU-500 EFI BR CAMO
Massimo MSU-500 EFI Side by Side UTV is rated 3.5 out of 5 by 162.
Rated 3 out of 5 by from We'll See So I am Store Manager for TSC, I bought my Massimo MSU500 for several reasons but moistly feedback from my customers. After less than two weeks it is sputtering and stalling constantly, I have followed all break in procedures and really cant find a rhyme or reason for the issues. I have changed the air filter fair earlier than recommended, I am using high octane fuel, I am at a loss.
Date published: 2018-07-19
Rated 2 out of 5 by from Glenn Bought the 500 side-by-side in November ran great when we got it . six weeks ago started running bad no power and backfiring. Now has been sitting in the shop for over five weeks
Date published: 2018-07-17
Rated 1 out of 5 by from No Way!! These are NO GOOD!! Got 2 of these the first one needed an engine rebuild after only 2 months...the second one needed a trans clutch asembly after 2 more months and these machines are very lightly used...Warranty takes a long time because of parts hard to get shipped to the shop ...they are loud and apparently the tops fly off....the Massimo accssories do not fit and I'm sure these things are going to be one nightmare after another
Date published: 2018-07-09
Rated 2 out of 5 by from Disappointed Picked up at TSC ,returned next day,engine rough running ,no power no acceleration.Tsc sent to warranty dealer.No status,now on two weeks.
Date published: 2018-06-26
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2017 MSU500 the " R" indicator light stays on constantly, why & what is the fix ? " " also, at approx. 4300 rpm engine cuts out like a governor w/rapid on -off. What is the fix?

Asked by: Hotshoe
Need to take to authorzed service center. Go to "Dealer Locator" type zip code and choose closest service center.
Answered by: Team Massimo
Date published: 2017-07-23

Isn't this the same as a Bennche Bighorn 500 and can I buy replacement parts for my Bennche from Tractor Supply?

Asked by: GL64
Similar but not exactly. TSC has units and some accessories on line - we're growing that business. Another option is to visit your local TSC store and let them know what you need. They could special order for you.
Answered by: Team Massimo
Date published: 2016-10-05

What kind of motor?

Asked by: Gilly123
We source components globally for all our products. Chongqing Huansong Science and Technology Industrial Co., LTD is the factory that builds both the 500 and 700 cc engines for Massimo to our specifications. Massimo Motor Sports is the importer on record for these power plants.
Answered by: Team Massimo
Date published: 2017-05-17

What brand engine is in the massimo?

Asked by: Simon bro
Massimo utilizes factories and component suppliers located throughout the world. Chongqing Huansong Science And Technology Industrial Co. ,Ltd is the factory where the MSU 500 and 700 engine is manufactured. This engine is manufactured to our specifications and we are the importer of record for this power plant.
Answered by: Team Massimo
Date published: 2017-01-06

What is standard equipment on Massimo 500

Asked by: Don L
ALL MASSIMO NEW MSU 500's INCLUDE: Winch with hand remote Full Lights package including: Head lights, taillights, brake lights, turn signals and horn Full digital instrumentation Full Roll Cage with Top & Seat belts Rear-view mirrors / BED Liner Folding front windshield AND cup holders!
Answered by: Team Massimo
Date published: 2017-05-03

MSU-500 purchased from TSC in 2016. Manual says to change the final and diff gear oil at 20 hours. Metal plates are tack welded to the bottom of the vehicle. How do I access the fill and drain bolts?

Asked by: hermes10
There is a plug on the back of the Diff, unscrew that and then you have to syphon it out.
Answered by: Team Massimo
Date published: 2017-06-27

does this have power steering?

Asked by: caden08
It does not come standard with power steering, but it can be added. We can work with your local Tractor Supply Store to special order a unit with power steering. You can also contact us directly at Thanks!
Answered by: Team Massimo
Date published: 2018-07-13

I have a 2012  Coleman 4x4 HS500 UTV  Body Type {Outfitter} make {CLMN}    I want to change the oil and filter, but I have no onwers manual Would you please tell me what oil filter, and type of oil it uses?. Thank you, R obert S

Asked by: elinc47
You need to contact Coleman.
Answered by: Team Massimo
Date published: 2017-07-13
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