155 Sluge from exhaust Why?

[5030]

Gee, that looks like the chocolate pudding I just had for dessert today after Easter dinner. Bet my pudding smelled better...lol Never had that issue but I use PS Bio-Kleen.

 

[careyo63]

BIo Kleen. That easter egg Chocolate pudding is rough! Runs Instant a bowl full, Glad I don't see a Pic.!

 

[90cummins]

Check the thermostat for proper operation it very important that the engine gets up to temperature.
If the radiator gets warm as soon as the engine is started the thermostat may be bad.
Top of radiator should be hotter than bottom by a significant amount.
It can be difficult to get the engine up to temperature without a decent load which varies according to horse power. A ground engaging attachment will place a load on the engine.
If you had a tractor driven generator (PTO) that would be the perfect way to apply a constant load for a1/2 hour or more.
Mowing, tilling & pulling a box scraper will also work the engine.
90cummins

 

[careyo63]

Not 100% sure but I'm not showing one for a 155. What I do show
HT-9350 160. Deg. To many to list them all But No Thermostat.

 

[California]

not showing one for a 155.

No thermostat? Maybe a Thermosyphon cooling system?

 

[careyo63]

Radiator RA-4060 135,155,165,1100,1300
No Water pump I'm showing WP-4201 169,180,186,220 226, and may more that has a water pump.

 

[Razzmatazz]

My y YM 1700B had a similar issue when I used it, but not when my son was putting in deer plots. Finally figured out I was running around 1500 RPM for short periods but he was running 2200 RPM for prolonged periods. I started working the 1700 harder and the problem disappeared.

 

[California]

My YM 1700B had a similar issue when I used it, but not when my son was putting in deer plots. Finally figured out I was running around 1500 RPM for short periods but he was running 2200 RPM for prolonged periods. I started working the 1700 harder and the problem disappeared.

Me too, but not as severe.

When I bought the second YM186D, this current one with a loader, the seller said it must have worn valve guides causing the clouds of smoke upon starting and when throttled up. This has cleared up over the years I've owned it.

Apparently the prior use by an urban landscape contractor didn't work it very hard. Likely 30 years of put-putting around at low rpm.

 

[careyo63]

On the 1700 even a B should not have a water pump. My guess the Thermal Sys. works better at a higher RPM's than put putting around. I believe one of the main reasons they went to a water pump cooling Sys. JMO... and something to consider if that's true.
My Org. YM2000 it was the muffler I had trouble keeping clean. After I finally did remove and clean it. I don't have much of any smoke or buildup on the cap!

 

[Razzmatazz]

On the 1700 even a B should not have a water pump. My guess the Thermal Sys. works better at a higher RPM's than put putting around. I believe one of the main reasons they went to a water pump cooling Sys. JMO... and something to consider if that's true.
My Org. YM2000 it was the muffler I had trouble keeping clean. After I finally did remove and clean it. I don't have much of any smoke or buildup on the cap!

Actually the B did come with a water pump. Also a dash pod, upgraded side panels and different headlight bezels. I guess like the difference between a Ford and Mercury. Same platform with some upgrades.

 

[careyo63]

It's a kit Fredricks calls it WPC-1700
Water pump, BP-2000 Back plate, Belt Pulley, WP Gasket, Back plate gasket, lower Radiator hose, Bypass hose.
There is just a water pump WP-2000 And it will fit the YM-1700B But you need the above parts to complete it.
FM-1700 Fan mount only for the YM1700 Thermal Sys.
The YM2000 came out long before the YM1700 and you need the YM2000 Back plate.
DBP- 4420 Dash board panel fits Many models also! 1601,1610,1700B,1702,1720,1810,1820,2000B,2002,2210B,
The 1601,1610 Production 79-81 And it did have a water pump WP-4201
Production and before the YM1700-79 and the YM2000 75-77 which I own one. And they have WP-2000.
Spec. sheet YM series

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[bmaverick]

Actually the B did come with a water pump. Also a dash pod, upgraded side panels and different headlight bezels. I guess like the difference between a Ford and Mercury. Same platform with some upgrades.

Yes, the YM2000B or YM2000BD is the deluxe of the YM2000x series. Even the bezel around the headlamps and top hood makes it a Fighting Tiger translated from Yanmar. The YM2310 is another plush machine. It kept the model the same, the factory has so many options to choose from.

It was the first Fighting Tiger in the YM series,

 

[Razzmatazz]

Yes, the YM2000B or YM2000BD is the deluxe of the YM2000x series. Even the bezel around the headlamps and top hood makes it a Fighting Tiger translated from Yanmar. The YM2310 is another plush machine. It kept the model the same, the factory has so many options to choose from.

View attachment 3340806

It was the first Fighting Tiger in the YM

 

[Razzmatazz]

Yes Bmaverick, I shared pics of my 1700B on here, but admin deleted the thread.

 

[bmaverick]

Yes Bmaverick, I shared pics of my 1700B on here, but admin deleted the thread.

WHAT ???? That is wild. There are plenty of people who share their pics here.

 

[California]

Actually the B did come with a water pump. Also a dash pod, upgraded side panels and different headlight bezels. I guess like the difference between a Ford and Mercury. Same platform with some upgrades.

Do those hood side panels tame some of the racket? My YM240 has always sounded like pounding on a manhole cover with a sledge. Clank clank clank.

 

[Razzmatazz]

Do those hood side panels tame some of the racket? My YM240 has always sounded like pounding on a manhole cover with a sledge. Clank clank clank.

Not really. But they looked nice

 

[Razzmatazz]

WHAT ???? That is wild. There are plenty of people who share their pics here.

My account was deleted due to spamming. I protested. They reevaluated, apologized, and reinstated my account. But all my threads were gone.