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Deleted member 35519
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So i recently bought a Minarelli Hybrid and unforntuately i haven't been able to get it to run after several attempts and test. First I thought it may be an issue with the cdi and magneto and they both read proper voltages with a meter. Tried new spark plugs, Z4C and NGK B6HS, both gapped. .24. California Motorbikes offer the chinese C20 and Mikuni VM20 OUT of stock. I have tried contacting the seller with info on the proper jetting on the carb with no response to it or luck. So I found out Smolik preformance mentioning that the main jet on a Mikuni VM20 main jet needs to be changed between 240-280 depending on your region. All videos on YouTube suggest the same when evaluating their builds. I bought the VM20 knock off and couldn't order or find the proper jets on Amazon. I couldn't find any jet kits past 190 and they sent me the wrong ones! It was a rabbit hole and huge nightmare! So now I returned the VM20 knock off and now I'm trying a NIBBI PE19 and ordered extra jets and pilots for the carb and the bike doesn't even start from stock settings. fuel/ oil ratio is 20:1 for break in as suggested from CaliforniaMotorbikes.com and 32:1 after 400KM. I can't even get this motor to run! Tried two different cdis and other sparkplugs just to the check.
Last motor I ran from California Motors recently didnt even last the third tank after break-in on 40:1 mix ratio. First the oil seal on the is the cheapest with the chinese markings blew at high throttle, so i replaced it immediatly from another graveyard motor. Then after a long drive and run full throttle! Boom. Cylinders piston exploded topping full throttle at atleast 45-50 on a Schwinn Stingray OCC Chopper. Yes I am no expert and am new to this so any suggestions would strongly help and be appreciated!
In order to make the NIBBI pe19mm to fit I had to use a slanted intake manifold from a VM22 kit i returned.... The adapter plate for the VM20 that comes with california motor bikes kit is specifically designed for the VM20 as they claim but the holes diameter is much smaller than 20mm intake. It reads about 19.5mm. Now I'm waiting on a Phantom 85 v3 and a replacement to the Wildcat PRO Racing Engine 80cc (Ported) 5HP i just blew up!!!!! I forgot to mention that their case bearings have NO gaskets on EITHER SIDE!!!! IS THIS BAD???? I read that VITON seals stop all issues so I ordered but I may have to crackt he whole lower half to properly install them! Many forums suggest ordering better bearings and oil seals for crank and magneto side. Major flaw at the price range of 200. If I would've known I would've just paid Smolik to DO EVERYTHING. I am no expert and learning as I go along.
I may just give up on the Minarelli! Seriously I ported the top cylinder, properly torqued 12ft lbs on the head, used an aftermarket CNC head as shown on Youtube from DLH preformance. GL ordering their clutches from them!! I tried, card fraud alert!! Their out of stock too. I tried contacting them no response. Not sure if he's still alive!!
Last motor I ran from California Motors recently didnt even last the third tank after break-in on 40:1 mix ratio. First the oil seal on the is the cheapest with the chinese markings blew at high throttle, so i replaced it immediatly from another graveyard motor. Then after a long drive and run full throttle! Boom. Cylinders piston exploded topping full throttle at atleast 45-50 on a Schwinn Stingray OCC Chopper. Yes I am no expert and am new to this so any suggestions would strongly help and be appreciated!
In order to make the NIBBI pe19mm to fit I had to use a slanted intake manifold from a VM22 kit i returned.... The adapter plate for the VM20 that comes with california motor bikes kit is specifically designed for the VM20 as they claim but the holes diameter is much smaller than 20mm intake. It reads about 19.5mm. Now I'm waiting on a Phantom 85 v3 and a replacement to the Wildcat PRO Racing Engine 80cc (Ported) 5HP i just blew up!!!!! I forgot to mention that their case bearings have NO gaskets on EITHER SIDE!!!! IS THIS BAD???? I read that VITON seals stop all issues so I ordered but I may have to crackt he whole lower half to properly install them! Many forums suggest ordering better bearings and oil seals for crank and magneto side. Major flaw at the price range of 200. If I would've known I would've just paid Smolik to DO EVERYTHING. I am no expert and learning as I go along.
I may just give up on the Minarelli! Seriously I ported the top cylinder, properly torqued 12ft lbs on the head, used an aftermarket CNC head as shown on Youtube from DLH preformance. GL ordering their clutches from them!! I tried, card fraud alert!! Their out of stock too. I tried contacting them no response. Not sure if he's still alive!!
