Raptor 660 Wont start up - Page 2 - Yamaha Raptor Forum
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post #11 of 156 (permalink) Old 09-20-2019, 04:34 AM Thread Starter
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Thanks,

So the bikes now in my garage as thye said take it due to lack of space, they are a two wheel motorcyle Specialist. So as the noise is coming from the top of the engine, ill take the head off first?

So first steps wuld be to check timing chain? how do I check this? there are videos on youtube that should it on the raptor 700 engine, ( are they similar ?)

Next would be to take the top head off and see if anything is broken? or shall i take the valve case off and see if they are fine?

Also the parts you listed , i found a CP piston set on here http://jsdmachineworks.com/cp-piston...n-4mm-stroker/ is this the correct one?

It would also be much help if you can send me links to the correct parts as there are many websites etc and im not sure which ones sell genuine ones.

I will tear the top end apart this weekend, i will also try and start the bike and video record to show you what the sound is?
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post #12 of 156 (permalink) Old 09-20-2019, 12:53 PM
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First let me say I'm not real familiar with the 660, but I'm going by general motor knowledge. First, you should message Morphrider, with a email address, as he may have a link for a free service manual.

You remove the timing chain center bolt and spring. Then remove the adjuster and count the teeth to see how far the adjuster is extended as a indicator of chain stretch. Then, carefully take the valve cover off, it may be glued on. Then check the timing marks on the crank and alignment with the cam. All this is in the manual and you can continue with it. I would be typing all day only to quote the manual. Then if you get stuck, you can ask individual questions for help.

The piston in your link is not correct as you don't have a stroker. BUT, you should wait to order a piston as your cylinder may need machining requiring a oversize piston. Also I saw a option for a DLC wrist pin. You don't one.

'19 Can-Am X3, RS Turbo, 172 HP, 1300x15 STU #2 paddle, Tribute front, DynaTec controller, cat delete, GTP blow off valve, custom flame wrap, Bent Metal windshield, Blazer wiper, rear window, 48in LED light bar, 14in LED light bar, GTP LED side lights, S3 shock tower brace, aluminum rear pull plate, 5K Badlands winch, dual batteries, 5ft lighted whips, Rugged radio and intercom, interior lights, rock lights, chase lights, over $200 additional switches, YES, street legal with dirt tires.
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post #13 of 156 (permalink) Old 09-21-2019, 03:11 PM Thread Starter
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Hi thanks,

So if you don't mind could you make me a list of everything i need for a engine rebuild and i will attempt to do it myself?

Any compression testing machines etc also required or just parts?

Would be much appreciated

Yamaha Raptor 660R Special Edition
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post #14 of 156 (permalink) Old 09-21-2019, 03:33 PM
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Originally Posted by DEZPERADO View Post
First let me say I'm not real familiar with the 660, but I'm going by general motor knowledge. First, you should message Morphrider, with a email address, as he may have a link for a free service manual.

You remove the timing chain center bolt and spring. Then remove the adjuster and count the teeth to see how far the adjuster is extended as a indicator of chain stretch. Then, carefully take the valve cover off, it may be glued on. Then check the timing marks on the crank and alignment with the cam. All this is in the manual and you can continue with it. I would be typing all day only to quote the manual. Then if you get stuck, you can ask individual questions for help.

The piston in your link is not correct as you don't have a stroker. BUT, you should wait to order a piston as your cylinder may need machining requiring a oversize piston. Also I saw a option for a DLC wrist pin. You don't one.
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Originally Posted by DEZPERADO View Post
Ask if they have a "bore scope", this allows locking in the motor thru the spark plug hole. You need a firm price for repairs, not we'll open it and charge more money.

Real loud clanking could be bent or broken valves and prolly wouldn't run.
Or valve noise could need valve adjustment and/or a timing chain is loose.
A bad lower crank bearing could make a lot of noise.

I would say check the timing chain, then pull the head off and that should reveal what's wrong.

Approximate US prices, and in USD;
CP 11:1 piston, $225. There are cheaper but don't have the quality.
Factory Yamaha head and base gasket, $75.
Timing chain, $25-$30.
Bore and hone cylinder, $75-$100.
If the crank is bad, look for a new motor as all the bearings will have metal chips in them.
My posts 10 and 12 answer your questions. Except you don't need a compression gauge or a bore scope. That was if the shop was gonna do a blanket estimate without knowing what's wrong. My price estimates may be lower for a 660 as I'm more familiar with 700 prices.

Did you message Morphrider for a manual??

'19 Can-Am X3, RS Turbo, 172 HP, 1300x15 STU #2 paddle, Tribute front, DynaTec controller, cat delete, GTP blow off valve, custom flame wrap, Bent Metal windshield, Blazer wiper, rear window, 48in LED light bar, 14in LED light bar, GTP LED side lights, S3 shock tower brace, aluminum rear pull plate, 5K Badlands winch, dual batteries, 5ft lighted whips, Rugged radio and intercom, interior lights, rock lights, chase lights, over $200 additional switches, YES, street legal with dirt tires.
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post #15 of 156 (permalink) Old 09-21-2019, 05:15 PM Thread Starter
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Ok thank you ill take a look and see if i can order them parts. I have been watching michael sabo on youtube where he takes apart his raptor 700 motor and rebuilds it all. Would this be the same for the 660?

I found the manual on a post my morphirider and downloaded it, its amazing has everything so i did not need to message him for it.

Yamaha Raptor 660R Special Edition
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post #16 of 156 (permalink) Old 09-21-2019, 05:25 PM
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Originally Posted by YamahaSpecial View Post
Ok thank you ill take a look and see if i can order them parts. I have been watching michael sabo on youtube where he takes apart his raptor 700 motor and rebuilds it all. Would this be the same for the 660?

I found the manual on a post my morphirider and downloaded it, its amazing has everything so i did not need to message him for it.
You shouldn't order a piston till you know what size you need. The cylinder most likely will need to be bored our, requiring the next size or two piston.

'19 Can-Am X3, RS Turbo, 172 HP, 1300x15 STU #2 paddle, Tribute front, DynaTec controller, cat delete, GTP blow off valve, custom flame wrap, Bent Metal windshield, Blazer wiper, rear window, 48in LED light bar, 14in LED light bar, GTP LED side lights, S3 shock tower brace, aluminum rear pull plate, 5K Badlands winch, dual batteries, 5ft lighted whips, Rugged radio and intercom, interior lights, rock lights, chase lights, over $200 additional switches, YES, street legal with dirt tires.
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post #17 of 156 (permalink) Old 09-21-2019, 11:05 PM Thread Starter
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How do i find out what size mine is? what do you mean the cylinder needs to be bored out?

If this is not a simple rebuild of taking old parts out and fitting new engine parts, do you think its best if i just take it to a mechanic?

Have no issue if its a case of replacing parts with no further things etc...
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post #18 of 156 (permalink) Old 09-21-2019, 11:31 PM
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Originally Posted by YamahaSpecial View Post
How do i find out what size mine is? what do you mean the cylinder needs to be bored out?

If this is not a simple rebuild of taking old parts out and fitting new engine parts, do you think its best if i just take it to a mechanic?

Have no issue if its a case of replacing parts with no further things etc...
First you need to find out what's wrong. Start by checking timing marks, follow your manual. Take the valve cover and head off.

Second determine what parts need replaced. Normal top end rebuild includes timing chain, gaskets, bore the cylinder and new piston. You would take the cylinder to a machinist who would bore it and determine the size for the piston. This is in your manual.

Check the head, in the manual.

You should read the rebuild procedure in the manual a few times to familiarize yourself with how it's done. It may sound hard but only takes basic mechanical skills and the manual.

'19 Can-Am X3, RS Turbo, 172 HP, 1300x15 STU #2 paddle, Tribute front, DynaTec controller, cat delete, GTP blow off valve, custom flame wrap, Bent Metal windshield, Blazer wiper, rear window, 48in LED light bar, 14in LED light bar, GTP LED side lights, S3 shock tower brace, aluminum rear pull plate, 5K Badlands winch, dual batteries, 5ft lighted whips, Rugged radio and intercom, interior lights, rock lights, chase lights, over $200 additional switches, YES, street legal with dirt tires.
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post #19 of 156 (permalink) Old 09-22-2019, 10:50 AM
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Hey what area you in?
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post #20 of 156 (permalink) Old 09-22-2019, 01:10 PM
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Hey what area you in?
30 miles South of Seattle Washington, USA.

'19 Can-Am X3, RS Turbo, 172 HP, 1300x15 STU #2 paddle, Tribute front, DynaTec controller, cat delete, GTP blow off valve, custom flame wrap, Bent Metal windshield, Blazer wiper, rear window, 48in LED light bar, 14in LED light bar, GTP LED side lights, S3 shock tower brace, aluminum rear pull plate, 5K Badlands winch, dual batteries, 5ft lighted whips, Rugged radio and intercom, interior lights, rock lights, chase lights, over $200 additional switches, YES, street legal with dirt tires.
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