First take the spark out,if you have or have access to an air compresser use a rubber fixture that mounts onto the tip of the air nozzle,stick it into the spark plug opening and give it a couple of pumps on the trigger,this will help precisley located the leak,after locating the leak circle or put a dot on or around it with a sharpie marker, clean the area very well with alcohol (after the leaking stops of course) put the spark back in tighten it down then use some JB Weld and a tooth pick or flat head screw driver to mash some in the area in question while the jb weld is still wet or soft roll the bike in gear this will create compression that will draw the JB Weld up into the hole, if? the hole is big enough to see then it will leave a depression where the hole is and you can tell that you've sealed it,I always like to give the JB Weld a good 10 hrs not just to dry buy cure to the fullest extent.
If your affraid of making a mess with JB Weld then use some masking tape around the application site.
I bought a (suposedly PK 68.5/80cc) engine from Zoom and not only did I NOT! get what I ordered but the engine was highly defective, hole in the cylinder,warped head and a massive crack in the engine casing (not featured) three months of fighting with those ^%$#@ I finnaly returned the kit and they replaced the engine (who Knows what they sent as a replacement?) with all the same stuff that came in the original kit, I just rebuilt it out of the box from jump.
You can see the engine on my thread Ol' Blue under cruisers, it turned out beautiful! and since that incedence I just tear em down and re-build em from the get go.
Hope this helps? if not? there are a lot of smarts on this forum so just be patient and some one else will give some suggestions as well.
If your affraid of making a mess with JB Weld then use some masking tape around the application site.
I bought a (suposedly PK 68.5/80cc) engine from Zoom and not only did I NOT! get what I ordered but the engine was highly defective, hole in the cylinder,warped head and a massive crack in the engine casing (not featured) three months of fighting with those ^%$#@ I finnaly returned the kit and they replaced the engine (who Knows what they sent as a replacement?) with all the same stuff that came in the original kit, I just rebuilt it out of the box from jump.
You can see the engine on my thread Ol' Blue under cruisers, it turned out beautiful! and since that incedence I just tear em down and re-build em from the get go.
Hope this helps? if not? there are a lot of smarts on this forum so just be patient and some one else will give some suggestions as well.
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