best price on a top and bottom end

ImaYamaha

ImaYamaha

New Member
May 14, 2012
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virginia
i Just got my first Yamaha blaster and i took it to a well known powersports mechanic in my area and he said im gonna want to do a top and bottom end rebuild to it.... i paid 300 bucks for the blaster and im wondering where i can get wiseco top and bottom end kits the cheapest because his prices arent the best:D. any info is appreciated.
 
ImaYamaha said:
i Just got my first Yamaha blaster and i took it to a well known powersports mechanic in my area and he said im gonna want to do a top and bottom end rebuild to it.... i paid 300 bucks for the blaster and im wondering where i can get wiseco top and bottom end kits the cheapest because his prices arent the best:D. any info is appreciated.
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Did he pull the cylinder off and measure the side to side clearance of the crank?

If not, he's completely yanking your chain and trying to take you for a ride!
 
sicivicdude said:
Did he pull the cylinder off and measure the side to side clearance of the crank?

If not, he's completely yanking your chain and trying to take you for a ride!
Click to expand...

he didnt measure but i think were gonna bore it over by 1.00 cause the cylinder walls have a couple bad spots that he looked at and the crank has so much play the person i bought it froms lucky it didnt come out:o
 
i bought it thinking it would just need a new piston and crank bearing or just a top end rebuild cause the guy said it just recently had a bottom end rebuild but if it really did... he messed up bad
 
Blaster cranks are not like 4 stroke cranks where they have to have limited side to side motion. They're allowed up to .028" clearance side to side. That's enough to feel like "the crank is about to fly out" but the engine isn't lubed with an oil pump pressurizing that bearing directly.... it's lubed by incoming flying oil so side to side clearance isn't bad.

One word of advice, seek a second opinion. Not saying your guy is trying to mess you over necessarily but something sounds fishy and I don't live that close to the ocean!
 
sicivicdude said:
Blaster cranks are not like 4 stroke cranks where they have to have limited side to side motion. They're allowed up to .028" clearance side to side. That's enough to feel like "the crank is about to fly out" but the engine isn't lubed with an oil pump pressurizing that bearing directly.... it's lubed by incoming flying oil so side to side clearance isn't bad.

One word of advice, seek a second opinion. Not saying your guy is trying to mess you over necessarily but something sounds fishy and I don't live that close to the ocean!
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i know your allowed to have side to side motion but this has up and down clearance as well which isnt good from what i hear
 
Uhhh yeah, the manual states .001" up and down which is VERY little. Basically any amount of up and down you can feel is too much.

You can have your crankshaft rebuilt relatively inexpensively and get the cylinder bored at a local machine shop to match a purchased piston. The total for parts would probably run you about $200 (crank rebuilt $99, piston $83, gaskets $25)

If you don't have any tools to rebuild the bottom end, you can either pay the labor the guy to rebuild it or, for about the same price, purchase all of the tools to rebuild it yourself. You need a case splitter, crank puller, flywheel tool, and clutch holder/flywheel holder plus other misc. tools like impact screwdriver, torque wrench, and sockets.
 
sicivicdude said:
Uhhh yeah, the manual states .001" up and down which is VERY little. Basically any amount of up and down you can feel is too much.

You can have your crankshaft rebuilt relatively inexpensively and get the cylinder bored at a local machine shop to match a purchased piston. The total for parts would probably run you about $200 (crank rebuilt $99, piston $83, gaskets $25)

If you don't have any tools to rebuild the bottom end, you can either pay the labor the guy to rebuild it or, for about the same price, purchase all of the tools to rebuild it yourself. You need a case splitter, crank puller, flywheel tool, and clutch holder/flywheel holder plus other misc. tools like impact screwdriver, torque wrench, and sockets.
Click to expand...

ok now 1 more question for you... have you ever had something of yours rebuilt... if so how much were you charged for labor?
 
ImaYamaha said:
ok now 1 more question for you... have you ever had something of yours rebuilt... if so how much were you charged for labor?
Click to expand...

You don't get to be yellow by having other people do things for you too often. I'm generally the rebuilder, not the rebuildee!

I have rebuilt engines for people who provided everything needed before.
 
sicivicdude said:
You don't get to be yellow by having other people do things for you too often. I'm generally the rebuilder, not the rebuildee!

I have rebuilt engines for people who provided everything needed before.
Click to expand...

i do things myself when i can and i would LOVE to learn more about the blasters engine by fixing it myself but it sounds like its too easy to screw up on the bottom end
 
ImaYamaha said:
i do things myself when i can and i would LOVE to learn more about the blasters engine by fixing it myself but it sounds like its too easy to screw up on the bottom end
Click to expand...

The blaster engine is about as simple an engine as you could learn on. The only thing you need are the special tools...
 
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