TR-1 torque specs

[landscaped1]

Looking for the torque specs for re-assembling the head and cam shafts. Also the tightening sequence. Is there a link to a service manual for this engine?

Back story. Had a spark plug snap off in cylinder one and had to remove the head to get it out. (Tried tapping it out etc to no avail) but now that it's out and all new gaskets have been ordered it is time to get it all put back together.

2022 210FSH Sport. TR-1 engine.

 

[FSH 210 Sport]

Link to where to buy the service manual.

YAMAHA MANUAL STORE

www.yamahapubs.com

 

[FSH 210 Sport]

Getting you the torques specs.

 

[FSH 210 Sport]

 

[FSH 210 Sport]

 

[landscaped1]

View attachment 235451

Thank you! This is exactly what I've been scouring the interpersonal for. Also thanks for the link. I just purchased the service manual so I'll have a copy.

 

[FSH 210 Sport]

It would be great if you have taken pictures of this project and could share them with the group to help others that might have the same situation. If you don’t have any pictures perhaps you could write up something to explain how you went about this for others to see.

 

[landscaped1]

It would be great if you have taken pictures of this project and could share them with the group to help others that might have the same situation. If you don’t have any pictures perhaps you could write up something to explain how you went about this for others to see.

I have a few pictures. I'm by no stretch an expert.

cylinder #1 must have had moisture get in as it was the only spark plug that had rust/corrosion on it. This pic shows the valve cover removed to see if I could access the broken off plug better.


Tried drilling out the ceramic (worked to some degree) was able to remove 1/4" of ceramic. Put 3 different types of easy outs on it from the above position to no avail at which point the head needed to be removed.

Above is the head on the work bench. You can see the bottom of the spark plug still in there. I tapped out the ceramic core. Tried putting 2 types of easy outs on it from the underside and the thing still wouldn't budge. Ended up drilling it out and picking out the remaining pieces of the shell. Once that was done I ran a tap through to make sure any damaged threads were cleaned up.

Now on the replacing gaskets, cleaning all surfaces with scotch brite pads and then re installing.

 

[FSH 210 Sport]

Thanks for posting those pics and a little description of how things went.

How many hours are on that engine?

 

[landscaped1]

Thanks for posting those pics and a little description of how things went.

How many hours are on that engine?

Approx 130. I purchased 2yrs ago had about 80hrs on it at the time. This was my 1st spark plug change. Lessons learned as i would have done things a little differently (ie stopped when the plug was tight and worked it out slowly) I put too much torque on the plug not knowing it was corroded and also not realizing the plugs were so small/thin.

Since I purchased used there is not telling when, if ever the plugs were changed.

Spark plug change was brought on by an issue experienced on the water with lossing a little rpm's in an inconsistent manor which pointed to a fouled or bad plug firing.

 

[FSH 210 Sport]

Okay thank you.

There is a track history of these engines having cylinder number 1 be the spark plug gets stuck. I’m pretty sure @lazergeek had the same cylinder get stuck and the head had to be pulled to get the plug out.