650ed wrote: I don't get it - why install those spark plugs? Notice those are RESISTOR plugs, but your 1977 KZ650 was not designed to use resistor plugs. Instead you should use Denso (ND) W22ES-U plugs. I've owned my 1977 KZ650-C1 for more than 42 years (62,000 miles) and that what I use. They last a VERY long time; longer than most folks keep their bikes.
I looked up the NGK stock number and noticed they had iridium versions that also fit. Looked at a few posts around the forum and saw some people had good use out of em so I thought they'd be good. They are good choices for my other cars. The guide said they fit but I didn't realize they are resistor plugs on a non resistor bike. Thanks for the info! I will pick up these Denso plugs instead.
KZB2 650 wrote: ...... and am so glad I read you switching out the Mobil one for Rotella since you suspected it causing your Starter clutch to slip......... after switching to M1 I right away had SC slippage and read that a few others did too.......... I then gave this advice out and kind of felt like maybe I sounded a little crazy suspecting the oil but with you thinking it too I feel better. Am thinking you might still need to tear into it soon but at least for now you bought yourself a little time.
By the way nice bike lakshan .... your gonna love it ........ and being from Canada you can take your time over the winter and have it all ready by spring.
Thanks for the recommendation on oil guys, I'll try the Rotella and/or stick with JASO-MA certified oils. And yes, the plan is to tinker at it over the cold months
lots of time to learn and get familiar.
Nessism wrote: That carb video is all well and good but with a 40 year old carb there is more to do than just poke some jets clean. All the various O-rings for example will be hard and brittle, particularly those on the interconnection tubes, and the only way to get at those is to ungang the carbs. Yes, more work, but the only way to properly clean and restore the carbs. And don't buy "carb kits" thinking you can just replace some parts to restore the carbs. It doesn't work that way and the aftermarket carb jets are typically inferior to the originals so it pays to do the job right and clean the originals you already have. That way is cheaper too.
Thanks Nessism, I would always tend to do it right the first time, I figured the video was similar to our bikes but thanks for pointing out it's not as simple. I'm trying to find some how-tos as I'm very new to this whole process. Are you saying I would need new o rings? Any other oem parts to replace? Anything else I should keep an eye out for?
Also found this after reading more forum posts
www.kzrider.com/jdownloads/General/Gener...ethod_for_vm_28s.pdf
Bikes in general are still a black box to me and I'm just starting to get into it so any and all information helps a ton. Thanks again guys!