I have a 115 TLRA it has been sitting in my garage for a year or so. I took it out today and it started great and runs fine until I take the throttle all the way. It runs about 10 mph slower then it use it to. After a while at high speed it was surging, it wanted to take off and it did but it bogged down again. It kept doing this about every couple of minutes. When I hit the throttle hard it sounds like it is bogging down. Any help is appreciated.
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115 TLRA
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I remember years and years ago working on rebuilidng a carb I had parts left over after I was done. Plus I really do not have the time. Since it has been sitting so long anything else I should have looked at while it is in the shop?
There are a number of shops around (3) one is a so called "certified" Yamaha. Does it really mean anything if it is certified?
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Hi Steve,
Allow me to say a few words. Will all due respect to a Yamaha dealers being "certified" this does not mean too much if you are looking repair an older engine. Most dealers today focus on 4 strokes, because that is what they sell. If you have an older 2 stroke make sure that the have they has a technician with very intimate knowledge with your system.
Before having the dealer do this work would it be possible to run a high concentration of Seafoam through it. I do this every year and seem avoid problems, I run an entire can with 5-6 gallons of gas.
As far as taking the carbs apart are concerned, I have taken a few smaller ones apart and rebuilt them with great success. On the 115 this will be a bit more complex. I have a 90HP (three carbs in line, also a bit complicated)
I am looking for a used set on ebay to fool with before attempting a rebuild. Engine is running fine now. So if screw up the spare, no harm no foul...
Good luck
jon
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Yes I get it from auto supply, about $8 per can. Also another product called Chemtool offered at walmart. I have been using Seafoam for years. Seems to work, keeps the engine and carbs clean, and no damage to plastic parts. Usually I do high concentration (early season, like now) then at later in the season I run and entire can through my 28 gallon tank.
Good luck
jon
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I popped the top on the engine to take a look. And I got to tell you it looked pretty intimidating to me. I cannot even get to the carbs without taking a bunch of stuff off first. I also have a kicker motor on the side which makes access on the right side of the motor almost impossible. I am not sure.....
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