Street Bike Engine
Street Bike Engine Parts at JJ Motorsports
Rebuild and upgrade your street bike engine with precision parts from JJ Motorsports. Our inventory includes valves, complete gasket sets, and seals made from top-quality materials for optimal sealing, compression, and durability in high-performance applications. Compatible with Honda, Suzuki, BMW, Yamaha, and more, these components support full engine rebuilds, leak prevention, and enhanced reliability for sportbikes, cruisers, or tourers on the road or track.
Shop trusted brands like VESRAH for OEM-matching valves and gaskets. Explore related categories such as street bike air and fuel for intake upgrades or street bike drivetrain for transmission pairings.
Top Street Bike Engine Products
- VESRAH Exhaust Valve GG-1002-EX – Precision-made to match OEM specs for reliable exhaust flow.
- VESRAH Intake Valve GG-1002-IN – High-quality materials for smooth intake performance.
- VESRAH Exhaust Valve GG-1003-EX – Durable construction for long-lasting engine efficiency.
- VESRAH Complete Gasket Kit - Rebel 250 VG-1068 – Comprehensive set with o-rings and seals for full rebuilds.
- VESRAH Complete Gasket Kit - CB 700 VG-1073-M – Includes all essential gaskets for engine overhauls.
Browse our in-stock inventory below with same-day shipping and expert support. Questions? Contact us for fitment advice!
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
-
K&L SUPPLY Shim Starter Kit - Kawasaki - 9.5mm 13-7017
K&L SUPPLY
$227.95Valve shim adjustment is critical for maintaining proper valve clearance and engine performance on shim-adjusted Kawasaki motorcycles. This K&L SUPPLY kit provides precision shims in the most common 9.5mm diameter, eliminating the need to source...137017- SKU:
- 137017
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
- UNITS:
- KIT
- TYPE:
- VALVE
- RIDING STYLE:
- STREET
- OUTSIDE DIAMETER METRIC:
- 9.50 MM
- PRODUCT NAME:
- SHIM KIT
- VALVE SHIM THICKNESS METRIC:
- 2.30 MM - 2.75 MM
$227.95 -
K&L SUPPLY Valve Shim - 2.30/25mm - H/Y 13-7524
K&L SUPPLY
$28.20Valve clearance directly impacts engine efficiency, combustion quality, and component longevity—and shim-adjusted vehicles demand precision replacements. K&L Supply's 2.30mm valve shim ensures accurate valve lash settings without improvisation or...137524- SKU:
- 137524
- Availability:
- Ships Same Business Day
- Weight:
- 0.19 LBS
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- ATV
- RIDING STYLE:
- WATERCRAFT
- OUTSIDE DIAMETER METRIC:
- 25.00 MM
- PRODUCT NAME:
- SHIM
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- UTV
- TYPE:
- VALVE
- UNITS:
- 5 PACK
- RIDING STYLE:
- STREET
- VALVE SHIM THICKNESS METRIC:
- 2.30 MM
$28.20Qty in Cart: 0Quantity:Price:$28.20Subtotal: -
K&L SUPPLY Valve Shim - 2.75/25mm - H/Y 13-7625
K&L SUPPLY
$28.20Valve shim adjustment is critical for maintaining proper valve clearance and ensuring optimal engine performance. Using OEM-equivalent shims like the K&L SUPPLY 2.75/25mm ensures precise fitment and reliable operation across engine cycles. Quality shims...137625- SKU:
- 137625
- Availability:
- Ships Same Business Day
- Weight:
- 0.19 LBS
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- VALVE
- RIDING STYLE:
- WATERCRAFT
- UNITS:
- 5 PACK
- VALVE SHIM THICKNESS METRIC:
- 2.75 MM
- OUTSIDE DIAMETER METRIC:
- 25.00 MM
- PRODUCT NAME:
- SHIM
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- STREET
- RIDING STYLE:
- UTV
$28.20Qty in Cart: 0Quantity:Price:$28.20Subtotal: -
K&L SUPPLY Valve Shim - 2.80/25mm - H/Y 13-7626
K&L SUPPLY
$28.20Valve train precision directly impacts engine performance, and worn or incorrect shims compromise both power delivery and longevity. The K&L SUPPLY 2.80/25mm valve shim ensures proper valve clearance adjustment on shim-adjusted motorcycles, maintaining...137626- SKU:
- 137626
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- OUTSIDE DIAMETER METRIC:
- 25.00 MM
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- UTV
- RIDING STYLE:
- WATERCRAFT
- UNITS:
- 5 PACK
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- VALVE
- VALVE SHIM THICKNESS METRIC:
- 2.80 MM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- PRODUCT NAME:
- SHIM
- RIDING STYLE:
- STREET
$28.20Qty in Cart: 0Quantity:Price:$28.20Subtotal: -
K&L SUPPLY Valve Shim - 2.50/29.5mm - SZ 13-7667
K&L SUPPLY
$28.20Valve shim adjustment is critical for maintaining proper valve clearance and ensuring optimal engine performance across the RPM range. Using OEM-spec shims like this K&L SUPPLY unit guarantees precision tolerances that keep your valvetrain operating at...137667- SKU:
- 137667
- Availability:
- Ships Same Business Day
- Weight:
- 0.19 LBS
- OUTSIDE DIAMETER METRIC:
- 29.50 MM
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- UTV
- TYPE:
- VALVE
- UNITS:
- 5 PACK
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- WATERCRAFT
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- ATV
- PRODUCT NAME:
- SHIM
- RIDING STYLE:
- STREET
- VALVE SHIM THICKNESS METRIC:
- 2.50 MM
$28.20 -
K&L SUPPLY Valve Shim - 2.60/29.5mm - SZ 13-7669
K&L SUPPLY
$28.20Valve shim adjustment is critical for maintaining proper valve clearance and preventing costly engine damage from improper valvetrain geometry. This K&L SUPPLY shim delivers precision-engineered sizing to keep your shim-adjusted engine running at peak...137669- SKU:
- 137669
- Availability:
- Ships Same Business Day
- Weight:
- 0.19 LBS
- RIDING STYLE:
- ATV
- RIDING STYLE:
- STREET
- OUTSIDE DIAMETER METRIC:
- 29.50 MM
- PRODUCT NAME:
- SHIM
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- VALVE
- VALVE SHIM THICKNESS METRIC:
- 2.60 MM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- UTV
- RIDING STYLE:
- WATERCRAFT
- UNITS:
- 5 PACK
$28.20Qty in Cart: 0Quantity:Price:$28.20Subtotal: -
K&L SUPPLY Valve Shim - 2.65/29.5mm - SZ 13-7670
K&L SUPPLY
$28.20Valve shim adjustment is critical for maintaining proper valve clearance and preventing costly engine damage from improper valve timing. K&L SUPPLY's precision-engineered shims ensure accurate gap control in shim-adjusted vehicles, eliminating...137670- SKU:
- 137670
- Availability:
- Ships Same Business Day
- Weight:
- 0.19 LBS
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- ATV
- RIDING STYLE:
- STREET
- RIDING STYLE:
- WATERCRAFT
- UNITS:
- 5 PACK
- VALVE SHIM THICKNESS METRIC:
- 2.65 MM
- OUTSIDE DIAMETER METRIC:
- 29.50 MM
- PRODUCT NAME:
- SHIM
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- UTV
- TYPE:
- VALVE
$28.20 -
K&L SUPPLY Valve Shim - 2.70/29.5mm - SZ 13-7671
K&L SUPPLY
$28.20Valve shims are critical for maintaining proper valve clearance in shim-adjusted engines—tolerances measured in thousandths of an inch directly impact combustion efficiency, valve life, and overall engine reliability. If your valves are out of spec,...137671- SKU:
- 137671
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- ATV
- VALVE SHIM THICKNESS METRIC:
- 2.70 MM
- PRODUCT NAME:
- SHIM
- RIDING STYLE:
- STREET
- OUTSIDE DIAMETER METRIC:
- 29.50 MM
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- UTV
- TYPE:
- VALVE
- UNITS:
- 5 PACK
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- WATERCRAFT
$28.20Qty in Cart: 0Quantity:Price:$28.20Subtotal: -
K&L SUPPLY Valve Shim - 2.30/13mm - Kawasaki 13-7685
K&L SUPPLY
$28.20Valve shim adjustment is critical for maintaining proper valve clearance and preventing catastrophic engine damage on shim-adjusted Kawasaki models. This K&L SUPPLY shim ensures precise fitment and consistent performance across engine cycles. Whether...137685- SKU:
- 137685
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- PRODUCT NAME:
- SHIM
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- ATV
- TYPE:
- VALVE
- RIDING STYLE:
- STREET
- RIDING STYLE:
- WATERCRAFT
- VALVE SHIM THICKNESS METRIC:
- 2.30 MM
- OUTSIDE DIAMETER METRIC:
- 13.00 MM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- UTV
- UNITS:
- 5 PACK
$28.20 -
K&L SUPPLY Valve Shim - 2.40/13mm - Kawasaki 13-7687
K&L SUPPLY
$28.20Valve shim adjustment is critical for maintaining proper valve clearance and ensuring optimal engine performance in shim-adjusted Kawasaki models. Using OEM-spec shims like this K&L SUPPLY unit guarantees precision fit and durability under high-RPM...137687- SKU:
- 137687
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- OUTSIDE DIAMETER METRIC:
- 13.00 MM
- PRODUCT NAME:
- SHIM
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- UTV
- TYPE:
- VALVE
- RIDING STYLE:
- ATV
- RIDING STYLE:
- STREET
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- WATERCRAFT
- UNITS:
- 5 PACK
- VALVE SHIM THICKNESS METRIC:
- 2.40 MM
$28.20 -
K&L SUPPLY Valve Shim - 2.55/13mm - Kawasaki 13-7690
K&L SUPPLY
$28.20Valve shim clearance directly impacts engine performance, reliability, and longevity—especially in high-revving applications where precision is non-negotiable. This K&L Supply shim ensures your Kawasaki maintains correct valve-to-rocker clearance,...137690- SKU:
- 137690
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- PRODUCT NAME:
- SHIM
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- ATV
- TYPE:
- VALVE
- VALVE SHIM THICKNESS METRIC:
- 2.55 MM
- RIDING STYLE:
- STREET
- RIDING STYLE:
- WATERCRAFT
- OUTSIDE DIAMETER METRIC:
- 13.00 MM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- UTV
- UNITS:
- 5 PACK
$28.20 -
K&L SUPPLY Valve Shim - 2.60/13mm - Kawasaki 13-7691
K&L SUPPLY
$28.20Valve clearance directly impacts engine performance, fuel efficiency, and longevity—and improper shim sizing compounds wear on critical valve train components. The K&L SUPPLY 2.60/13mm valve shim is engineered for precision fitment on shim-adjusted...137691- SKU:
- 137691
- Availability:
- Ships Same Business Day
- Weight:
- 0.03 LBS
- OUTSIDE DIAMETER METRIC:
- 13.00 MM
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- UTV
- TYPE:
- VALVE
- UNITS:
- 5 PACK
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- WATERCRAFT
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- ATV
- PRODUCT NAME:
- SHIM
- RIDING STYLE:
- STREET
- VALVE SHIM THICKNESS METRIC:
- 2.60 MM
$28.20 -
K&L SUPPLY Timing Belt - Honda 15-1459
K&L SUPPLY
$75.95A timing belt is critical to engine synchronization—if it fails, you're looking at catastrophic internal damage and costly repairs. The K&L SUPPLY Timing Belt (15-1459) is engineered to maintain precise valve timing and prevent slack, ensuring your Honda...151459- SKU:
- 151459
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- PRODUCT NAME:
- TIMING BELT
- COLOR/FINISH:
- BLACK
- BASE COLOR:
- BLACK
- RIDING STYLE:
- STREET
- UNITS:
- EACH
$75.95 -
K&L SUPPLY Valve Shim Kit - Kawasaki 13-7006
K&L SUPPLY
$233.95Precise valve clearance is critical to engine performance, reliability, and longevity. The K&L SUPPLY Valve Shim Kit gives you OEM-quality shims for accurate valve adjustment on shim-adjusted Kawasaki models, eliminating guesswork and ensuring optimal...KL137006- SKU:
- KL137006
- Availability:
- Ships Same Business Day
- Weight:
- 1.56 LBS
- PRODUCT NAME:
- SHIM KIT
- RIDING STYLE:
- STREET
- UNITS:
- 20 PIECE KIT
- OUTSIDE DIAMETER METRIC:
- 13.00 MM
- VALVE SHIM THICKNESS METRIC:
- 2.30 MM - 3.10 MM
- TYPE:
- VALVE
$233.95 -
KOSO NORTH AMERICA Valve Head Kit - Grom MC623000
KOSO NORTH AMERICA
$937.95If you're running a big bore kit on your Grom, this valve head kit is essential to unlock the full potential of your displacement gains. The unique four-valve design dramatically improves cylinder head flow dynamics, translating directly to measurable...09500755- SKU:
- 09500755
- Availability:
- Ships Same Business Day
- Weight:
- 6.61 LBS
- PRODUCT NAME:
- CYLINDER HEAD KIT
- UNITS:
- KIT
- TYPE:
- 4 VALVE
- FEATURES:
- HEAD KIT ONLY
- RIDING STYLE:
- STREET
- MATERIAL:
- STAINLESS STEEL
$937.95 -
KOSO NORTH AMERICA Camshaft - Big Bore Kit MM623002
KOSO NORTH AMERICA
$211.95The KOSO NORTH AMERICA Camshaft (MM623002) unlocks the full potential of your big bore engine build by optimizing valve timing and lift for maximum airflow and combustion efficiency. While compatible with stock engines, this camshaft delivers its most...09250893- SKU:
- 09250893
- Availability:
- Ships Same Business Day
- Weight:
- 0.81 LBS
- APPLICATION:
- EXHAUST
- EXHAUST LIFT METRIC:
- 8.50 MM
- INTAKE LIFT METRIC:
- 8.50 MM
- APPLICATION:
- INTAKE
- RIDING STYLE:
- STREET
- TYPE:
- GEAR
- UNITS:
- EACH
- PRODUCT NAME:
- CAMSHAFT
$211.95 -
On Sale
Belt Drives Ltd Timing Belt Ducati 848 2008-2010 BDL-1198
BELT DRIVES LTD.
MSRP: $94.29Now: $80.06Was: $94.29A worn or damaged timing belt can leave you stranded—or worse, cause catastrophic engine damage. The Belt Drives Ltd BDL-1198 is an exact OEM replacement engineered to restore precise valve timing and maintain the reliability your Ducati 848 demands...09251115- SKU:
- 09251115
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- SIZE METRIC:
- 88T
- UNITS:
- PAIR
- SIZE METRIC:
- 21 MM
- PRODUCT NAME:
- TIMING BELT
- RIDING STYLE:
- STREET
MSRP: $94.29Now: $80.06Was: $94.29 -
KOSO NORTH AMERICA Hi Flow Oil Pump - Grom NF623000
KOSO NORTH AMERICA
$72.03When you've upgraded your Grom's engine with high-displacement components, the stock oil pump becomes a bottleneck—starving your engine of the lubrication it needs under increased load and RPM. The KOSO NORTH AMERICA Hi Flow Oil Pump delivers a 40%...09320167- SKU:
- 09320167
- Availability:
- Ships Same Business Day
- Weight:
- 0.26 LBS
- FLOW RATE:
- HIGH VOLUME
- TYPE:
- OIL PUMP
- BASE FINISH:
- CHROME
- UNITS:
- KIT
- COLOR/FINISH:
- CHROME
- PRODUCT NAME:
- PUMP
- RIDING STYLE:
- STREET
$72.03Qty in Cart: 0Quantity:Price:$72.03Subtotal: -
AKRAPOVIC Gasket - Graphite - G32 P-G32
AKRAPOVIC
$53.95A proper exhaust gasket is critical to maintaining system integrity and preventing exhaust leaks that compromise performance and damage components. The AKRAPOVIĆ Graphite Gasket (P-G32) is engineered to seal Akrapović exhaust systems under...18600481- SKU:
- 18600481
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- TYPE:
- EXHAUST
- MATERIAL:
- GRAPHITE
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- GASKET
- UNITS:
- EACH
$53.95 -
VESRAH Top End Gasket Kit - KZ1000 VG-838
VESRAH
$135.98Engine rebuilds demand precision, and a failed gasket can compromise months of work. The VESRAH VG-838 Top End Gasket Kit delivers OEM-quality sealing across all critical engine surfaces, ensuring reliable compression and longevity once your rebuild is...VG838- SKU:
- VG838
- Availability:
- Ships Same Business Day
- Weight:
- 0.63 LBS
- PRODUCT NAME:
- GASKET
- RIDING STYLE:
- STREET
- UNITS:
- SET
- TYPE:
- TOP END
$135.98
