Robin lawn mower engines. Brush Mowers

Subaru Robin Carb Problems

After about 20 years of running really well, my Manco Dingo’s engine started running poorly. It was clearly carb problems and rather than clean it and probably break it, I just bought a new one. I’ve had very good luck buying cheap ebay carbs for lawn mowers, snow blowers, etc.

I’ve had other threads about this cart before but it’s time for a fresh start.

So I put the new carb on and here’s what happened.

For a while, every time i started the cart, the engine would run away. Sometimes gradually, sometimes suddenly. Yes, the last time it did this, I had to run after it and it almost drove away.

Then after doing that for a while, suddenly it stopped. Now it’s new behavior is that it can’t idle. As seen and heard in the video. If I raise the idle really high, it will stay running with tons of pulsing. If I try to lower the idle to something more normal, it will just conk out if you’re not actively on the gas.

So what do you think is going on here? It makes me nervous because even if it starts to behave normally, I’d be afraid it would randomly start to run away again. And runaway engine means runaway go kart. Is the carb just a dud?

karl

Well-known member

Many people bring their equipment to me, after installing a new ebay/ amazon/ typical suspect carb. See about 1 a week.

Cant be a carb issue, its brand new wont run right leaks

Briggs, tecumseh, kohler, subaru, seen it all. If they did not throw out their old carb, I can clean it and get them going. As long as the installer did not break anything else on their attempt.

If not, gotta find a roached OEM carb and rebuilt it, or get billed for a new one (if still available)

Installing a china carb for a customer practically guarantees a bring back. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Anyway, you got fresh fuel? You can shine a light in the gas tank, and no breakdown/ sediment/ debris in the bottom?

The fuel was pumped less than a month ago? The throttle linkage moves free, no binding? Did you force the throttle rod, slipping the governor arm on the shaft? Vacuum leaks? Did you use the gaskets that came with the kit? Over tighten the carb nuts, and crack the insulator? The possibilities are endless.

Karttekk

Well-known member

Agree with karl here. Buying those Taiwan carburetors is a gamble. I just finished up a kart with a Predator engine that took a while to straighten out. Bought one of those cheap carbs as I was going through the process of elimination. Ends up the coil was the problem but the engine would surge up down then quit with the new carb installed. The mixture screw didn’t seem to do anything and it was hard to start after it quit. Took the original carb apart, cleaned the jet and emulsion tube, reinstalled it and the kart ran fine afterward. Took the new carb apart, didn’t see anything wrong with it but it wouldn’t work right. Maybe start here to help find and OEM carb or at least learn which carb you need. I put an OEM carb on a Robin/Subaru engine along with new factory governor springs, thing ran great. Sold it the customer is still using it. Had to toss the original carb due to internal rust and corrosion. There could be a multitude of other things going on but at least start with a quality carburetor to eliminate that as a possibility.

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Fallingdown

New member

After about 20 years of running really well, my Manco Dingo’s engine started running poorly. It was clearly carb problems and rather than clean it and probably break it, I just bought a new one. I’ve had very good luck buying cheap ebay carbs for lawn mowers, snow blowers, etc.

I’ve had other threads about this cart before but it’s time for a fresh start.

So I put the new carb on and here’s what happened.

For a while, every time i started the cart, the engine would run away. Sometimes gradually, sometimes suddenly. Yes, the last time it did this, I had to run after it and it almost drove away.

Then after doing that for a while, suddenly it stopped. Now it’s new behavior is that it can’t idle. As seen and heard in the video. If I raise the idle really high, it will stay running with tons of pulsing. If I try to lower the idle to something more normal, it will just conk out if you’re not actively on the gas.

So what do you think is going on here? It makes me nervous because even if it starts to behave normally, I’d be afraid it would randomly start to run away again. And runaway engine means runaway go kart. Is the carb just a dud?

Had this issue on a Robins 2 stroke motor before. I was told by everyone it was because I replaced the original with a cheap one off the web. Well just like you, Ive bought the cheap carbs and had luck with them on everything so far. After trying to adjust the high and low idle speed 10 times with no luck I decided maybe it’s bad fuel. Bad gas cap. Neither of those. What it was and believe the scooter ran better then new after I figured it out. But I had the lines coming from the carb to the fuel tank crossed and used same size fuel line for both air inlet and fuel inlet. i switched the lines to the right connections on carb only and that fixed it. Decided to put right diameter lines after and didn’t change much. Runs like a champ now. The obvious is always where my mistakes are made.

Brush Mowers

Brush Mowers are also known as Rough Cut Mowers, and are walk-behind Units with very heavy duty decks that are typically out front of the tractor portion of the mower. Their function is to cut woody brush and small saplings, and to somewhat masticate what they have cut down. Brush Mowers can clear large areas quickly and efficiently. Tow-behind brush mowers are yet another option, and these can be towed behind an ATV or Lawn or Garden Tractor.

In addition to servicing virtually all of these units, ASJ sells walk-behind Brush Mowers from DR Equipment, Gravely, Little Wonder, Billy Goat and Brown. DR Equipment tow-behind units are also available from ASJ.

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Goodbye Subaru: Small Engine Production Comes to an End

When you buy a piece of Billy Goat equipment, you often get to choose from a variety of engines made by Briggs Stratton, Honda or Subaru. However, one of those options is going away. Late last year, Subaru announced that they were pulling out of the small engine market. What does this mean for owners of Subaru-powered equipment, and what are your alternatives if you’re looking for new equipment?

Why Did Subaru Power Shut Down?

Subaru Power may not have been the biggest engine manufacturer, but they found a niche with their EX-Series engines. Compact, efficient and unfailingly reliable, this engine was one of the few real competitors to Honda’s ubiquitous GX-Series.

Subaru also has divisions that build aerospace parts and alternative energy devices. However, these pale in comparison to their automotive division. With a decade of record growth behind them, Subaru’s vehicle manufacturing capabilities have been pushed to the limit. Meanwhile, like other automakers, they’re trying to make the transition to electric power. Together with Mazda and Toyota, they’re developing new electric powertrains that should be in production in the next four years. With their other divisions committed to supplying their manufacturing partners for years to come, the only way to free up resources for their booming car business was to shut down the small engine division.

Can I Still Get Parts for My Engine? What About the Warranty?

Subaru handed off the division to Industrial Power Products of America, Inc. This distributor already has a network in place to support Yamaha industrial products, and they’ll use this to supply Subaru Power dealers with parts. The company will also continue to honor engine warranties. As part of the deal, the company even took over Subaru’s websites, so you’ll be able to download owners manuals and other information just like before. This new parts and warranty coverage includes Subaru products as well as older Robin and Subaru Robin engines.

What are My Alternatives to Subaru-Powered Billy Goat Equipment?

Like many manufacturers, Billy Goat is rolling out updates models with engines from other manufacturers. With engine support still available, a Subaru-powered model is still a good option if it’s available, but there are plenty of other options that can fit your needs.

F6 Force Wheeled Blower Subaru: F601S Briggs Stratton: F601X Vanguard: F601V

While other Subaru models are still on the market, the F601S is already being phased out. The F601X uses a Professional Series engine. Despite the name, it’s a consumer-level design, making it a good choice for residential users who want the power of a Force blower without the cost of a commercial engine. For professional users, the F610V comes with a 6.5 HP engine from Briggs Stratton’s commercial Vanguard line.

F9 Force Wheeled Blower Subaru: F902S, F902SPS Honda: F902H

A Honda GX270 provides similar output to the outgoing Subaru EX-powered F902S. Billy Goat has not yet released a version of this blower with the F902SPS’s self-propulsion system.

Debris Loaders DL14/18 Subaru: DL1401SE Vanguard: DL1801V, DL1801VE

The DL18 uses V-twin engines with more power than the DL14, but they’re still sold at a similar price point. If you don’t mind having a pull start engine, the DL1801V costs only slightly more than the DL1401SE. If you like the idea of having the DL14’s electric start, get the DL1801VE.

DL25/35 Subaru: DL2500S Vanguard: DL3500V The difference between the DL25 and DL35 is much wider than the DL 14 and 18. In this application, choosing the Vanguard V-Twin brings with it an extra 10 HP. If you don’t need something that powerful, you may want to consider the DL18.

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Subaru Ends Small Engine Production

On October 2nd, 2017, Subaru Corporation announced that they were shutting down their small engine power product business. What does that mean for owners of these engines?

What Was Subaru Power?

Subaru Industrial Power Products was formed in 1968 as an engine supplier for Polaris Industries. Over the next 30 years, their Star engines were used in ATVs and snowmobiles. Eventually, Subaru bought out Wisconsin Engine’s Robin small engine division and combined it with their existing manufacturing. Subaru re-branded the division several times, starting with Robin, then Subaru Robin and finally Subaru Power. Under this new ownership, the division developed the EX series, the first small engine on the market with a chain drive overhead cam.

Other engines followed, but the EX remained their best-selling product, finding its way into a range of small commercial power equipment. Most of the brands we carry including Little Wonder, eXmark, Echo Bear Cat and Scag have sold equipment powered by the EX Series. These engines quickly gained a reputation for top quality construction which was bolstered by a 5-year commercial warranty, the longest in the business.

Why was Subaru Power Shut Down?

While the division was far smaller than brands like Honda, Kohler and Briggs Stratton, Subaru’s combined engine and equipment sales were just ahead of Kawasaki, a mainstay of the commercial mower business. This meant the division’s business was sound, but it couldn’t compare to the company’s automobile division.

Subaru went from being a niche player to a major manufacturer in the 90s and 2000s, but it’s the crossover craze that has pushed them to an all new high with 10 years of consecutive growth and 9 years of record-breaking sales. In recent years, the company has entered into partnerships with Toyota and Mazda, building Camrys at their Indiana assembly plant and co-developing the BRZ, FR-S and GT86 sports cars. These three companies are also working together on an electric powertrain that will be used in production vehicles starting in 2021.

Subaru’s automobile manufacturing arm has been so successful that their plants can’t keep up with demand, and they need to dedicate more resources to design new models and make the switch to electric power. The company’s other divisions, aerospace, and eco-technology, are dedicated to supplying partners far into the future. The only way left to free up more resources was to drop the small engine line.

Can I Still Get My Subaru Engine Serviced?

Production of engines, generators, and pumps has stopped, but there are still enough engines in storage to supply manufacturers while they transition to different powerplants. Most equipment manufacturers have already rolled out new versions of their models fitted with engines from Honda or Briggs Stratton Vanguard.

As for Subaru Power, the division is now handled by Industrial Power Products of America, Inc. While mostly unknown to end users, this company handles distribution of Yamaha industrial products across North America. The company will provide parts and information for Subaru engines, and they’re maintaining Subaru’s power product websites. They will also honor Subaru’s warranties. While Subaru-powered outdoor products will disappear from the market, you should have no problem getting the parts and service to maintain the engines you already own.

Where Can I Get Parts and Service for my Subaru Engine?

Shank’s Lawn Equipment has been a certified Subaru Power dealer, and we will continue to service these engines. If you need repairs or parts for your engine, visit us at 4900 Molly Pitcher Highway in Chambersburg, PA. That’s one mile east of I-80 via Exit 10 to Marion.